Alternatives to Greenbar
Compare Greenbar alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Greenbar in 2026. Compare features, ratings, user reviews, pricing, and more from Greenbar competitors and alternatives in order to make an informed decision for your business.
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1
Uptime.com
Uptime.com
Uptime.com provides comprehensive, unified visibility into the availability and performance of critical services. Monitoring tools empower engineering, operations and SRE teams to maintain oversight of their web stack and respond to outages through customizable alerting channels. Uptime.com offers a broad set of monitoring capabilities, including web, network, and email. API and transaction checks offer synthetic monitoring to perform multi-step validations of critical flows and services. Monitor public and private resources through a unified interface that streamlines configuration and alerting. Set up and customize Status Pages with your company branding to communicate incidents and maintenance to both customers and internal teams. Provide a single-page overview that shows your overall service health at a glance. Robust and customizable SLA reporting allows stakeholders to stay informed on incidents and downtime. -
2
UptimeRobot
UptimeRobot
UptimeRobot is a website monitoring service with a forever free plan that lets you register with just an email and monitor up to 50 websites, servers, or keywords with 5-minute intervals. Setup takes only a few clicks. For faster checks and advanced features, paid plans offer 1-minute or 30-second intervals, along with SSL certificate, domain expiry, and heartbeat (cron job) monitoring. You can also create up to 100 status pages, customize them to match your brand, protect them with a password, and allow subscribers to receive updates. Get notified instantly via email, SMS, voice calls, or integrations with Slack, Zapier, PagerDuty, Splunk On-Call, Telegram, Webhooks, Discord, Mattermost, Pushbullet, Microsoft Teams, Google Chat, Pushover, and more. Mobile push notifications are available through the iOS and Android apps. Other features include maintenance windows, incident tracking with root cause analysis, tags, comments, and filters. Share account with other team members. -
3
PageLantern
PageLantern
PageLantern is website, API, and uptime monitoring software for small teams, agencies, SaaS operators, and website owners. Monitor HTTP/HTTPS endpoints, APIs, SSL certificates, domain expiration, DNS records, TCP services, heartbeat and cron jobs, and critical browser flows from one workspace. PageLantern records response times and availability, creates incidents automatically, routes alerts to team channels, and provides hosted public status pages. Multi-location checks help teams identify regional failures and slowdowns. The free plan includes 15 monitors, five-minute checks, 30 days of history, one status page, and one alert channel with no credit card required. Paid plans add faster checks, browser monitoring, longer history, additional users, reports, and more status pages.Starting Price: $0 -
4
Pingvera
Pingvera
Pingvera is a website monitoring service for web agencies, studios and freelancers managing client sites. It brings multiple websites into one dashboard and checks availability, SSL certificates, domain expiry, broken links, suspicious redirects and search-indexing settings. Teams can configure form checks that submit test leads and verify email delivery when that check is configured, monitor WordPress health, and collect server metrics through an optional one-way agent. Alerts can be routed to email, Slack, Telegram or webhooks, while public status pages and incident history help teams share service status with clients. Paid plans add WordPress diagnostics, white-label branding and scheduled reports; the Business plan offers on-premises licensing on request. A free plan covers up to five sites, and paid tiers support larger portfolios. Check intervals start at one minute.Starting Price: $15/month -
5
ZnowPulse
ZnowSoft
ZnowPulse is hosted website, API and server monitoring by ZnowSoft. Check HTTP/S endpoints, TCP ports, ICMP ping, DNS records, keywords and SSL expiry. Nexus Points group checks into one service-health signal. Manage incidents and planned maintenance, and route alerts to your team’s tools. Free includes unlimited monitors, five-minute checks, 30 days of history, one Nexus Point and one user, with no card or expiry. Pro Yearly is US$59.99 billed annually, with checks as often as ten seconds, public status pages, teammates, unlimited Nexus Points, CSV/PDF reports and S3-compatible backups. Check intervals are plan features, not uptime or detection guarantees. Explore the actual dashboard interface with prepared sample data at the product website.Starting Price: Free; Pro $59.99/year -
6
Uptime Tracker
Uptime Tracker
Uptime Tracker monitors websites, APIs, servers and scheduled jobs around the clock, rechecking failures before sending alerts to help distinguish outages from brief network errors. It supports HTTP(S) and keyword checks, SSL certificates, TCP ports, DNS records, ping, domain expiry, authenticated API tests with JSON assertions, multi-step API workflows, gRPC, SMTP, IMAP and heartbeat monitoring for cron jobs and backups. Alerts can be routed through rules to email, SMS, Slack, Microsoft Teams, Discord, Telegram, Google Chat, PagerDuty, Pushover, ntfy, Gotify, Mattermost, Rocket.Chat and webhooks, with on-call schedules and escalation. The service includes incident timelines, maintenance windows, reports and hosted status pages on custom domains. Individuals, developers, SaaS teams, agencies, freelancers, online stores and small businesses can use it to monitor services and communicate availability. A free plan includes two monitors; paid plans start at $9 per month.Starting Price: $9/month -
7
Host-Tracker
Host-Tracker
HostTracker is a 24/7 website monitoring service that helps businesses and webmasters track availability, performance and security from over 300 global locations. With 13 monitor types, you can check HTTP/S, ping, TCP ports, transactions, web content, APIs, page speed, databases, server resources, SSL and domain expiry, plus Web Risk and DNS blacklist status. Track response times and page load speeds, receive scheduled reports, and get alerts via email, SMS, voice call, Telegram, Slack, Viber, Discord, web push or webhooks. Alert delays, active hours and maintenance windows help prevent unnecessary notifications. HostTracker also provides public status pages, a REST API and an MCP server for instant checks through AI assistants and developer tools. The free plan includes 2 monitors. Paid plans start at $10/month, with a 30-day trial including 100 monitors at 1-minute checks - no credit card required.Starting Price: $9 per month -
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Uptimon
Uptimon
Uptimon is a monitoring SaaS that tracks website and API availability 24/7, detecting outages within seconds and sending instant alerts. It performs HTTP(S) pings at customizable intervals (30 seconds to 60 minutes), checking response time, status codes, keyword presence, and SSL certificate validity. When a site goes down, it instantly notifies via email, Discord, Telegram, webhook, or SMS.The dashboard displays real-time status, last 30-day uptime percentage, average response times, and performance graphs. Technical stack includes Node.js/Go backend, Redis queue, horizontal scaling support, and time-series databases like TimescaleDB.Target audience ranges from freelancers to enterprises. Key differentiators include simple setup (3 clicks), fast detection time, and affordable pricing. Uses freemium model with paid tiers based on monitor count and check frequency. Growth features include shareable status badges, public status pages, and partner integrations with Vercel/Netlify.Starting Price: $9/month -
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NorthDuty
NorthDuty
NorthDuty is website monitoring software built around user journeys. It runs your checkout, signup, login and contact-form flows in a real browser on a schedule and after every deploy, and alerts you the moment a step breaks, with the failing step and a screenshot. Journeys are AI-suggested from your site or described in plain English, so there is no scripting. Every project also includes status and health checks every 5 minutes (every minute on paid plans): uptime, response time, SSL and domain expiry, DNS, blank-page detection, broken resources, JavaScript errors and failed API calls on the page. Public status pages, incident tracking, PDF client reports and alerts to email, Slack, Microsoft Teams and more are included. NorthDuty is built for WordPress and WooCommerce agencies and store owners who need to know when a site is up but broken for customers. Free plan available; paid plans from $29/month.Starting Price: $29/month -
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RealUptime
RealUptime LLC
RealUptime combines four hosted reliability tools in one account: Status for public status pages and incident updates; Monitor for external HTTP, TCP, DNS and heartbeat checks plus server monitoring; Errors for application error tracking; and Outages, a public directory of checks for widely used services. Monitoring checks run from multiple regions, with regional results visible so teams can distinguish location-specific failures. Monitor can collect server metrics through an agent, while alerts and incident workflows help teams respond to service issues. Errors groups application events into issues for investigation. The platform also provides a REST API, command-line interface, Terraform provider, GitHub Actions workflow and MCP server for developer workflows. Free plans are available for Status, Monitor and Errors, and public Outages checks can be viewed without an account; paid plans add usage capacity and features.Starting Price: $28.99/month -
11
Xitoring
Xitoring
Xitoring is an all-in-one monitoring platform for servers, websites, and status pages. One command installs the Xitogent agent (curl on Linux, MSI on Windows), auto-discovering 30+ services: Nginx, Apache, IIS, MySQL, PostgreSQL, MongoDB, Redis, Docker, RabbitMQ, Kafka, and more. Monitor CPU, memory, disk I/O, network, and processes, plus uptime checks (HTTP(S), Ping, DNS, TCP, UDP, API, Mail, Heartbeat, Cron) at 1-minute intervals from 15+ global probing nodes. SSL monitoring included. Alerts via 20+ channels: email, SMS, phone call, WhatsApp, Telegram, Slack, Teams, PagerDuty, Opsgenie, webhooks, and more. Built-in AIOps answers plain-English questions about your metrics and incidents. The Xitoring MCP server lets Claude, Cursor, or any AI agent read metrics, ack alerts, and manage monitors. Plus white-label status pages, incident management, REST API, and iOS/Android apps. Free forever: 2 servers + 8 uptime checks. Paid from $4.99/mo, flat pricing, 30-day trial.Starting Price: $4.99 OR Lifetime free -
12
Freshping
Freshworks
Everything you need for uptime monitoring. Monitor your website for free and get notified instantly when your website goes down. Ensure your website is available from anywhere in the world with monitoring from 10 global locations. Display your website uptime history to your customers with free public status pages. Monitor HTTP/HTTPS, ICMP Ping, TCP, UDP, Web socket or DNS. Whatever you’re building we’ve got you covered. Receive alerts wherever you are. Integrate Freshping with Freshdesk, Slack, Twilio, Skype, and Webhook to receive instant downtime notifications. Get weekly updates and measure your website's performance with metrics like Apdex score, Average response time, Individual Response Time & more. Showcase your website status right from your homepage. Display your website’s uptime history and current status of your website with Realtime Badges. Enjoy deeper control with String and Status code check. Don’t limit yourself to a single status code. -
13
Noroshi
Noroshi Cyber Security
Noroshi is a cloud-based external security monitoring service for small businesses, freelancers, and website owners. It monitors internet-facing domains without agents or credentials, checking security headers, TLS certificates, exposed files, open ports, DNS and email-authentication records, domain reputation, uptime, and lookalike domains. It identifies exposed CMS and PHP versions for comparison with known vulnerabilities, and checks for website tampering, injected spam, and third-party scripts. Customers can also monitor suppliers such as hosting and payment providers. Findings include plain-language explanations and suggested fixes, with alerts in the dashboard, by email, or through webhooks. The free plan scans one domain weekly; paid plans provide daily scans, five-minute uptime checks, multiple domains and team members, reports, and an exportable NIS2-oriented overview. Noroshi is designed for small and medium-sized businesses and other website operators.Starting Price: €6/month -
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FourSight
TetraCore
FourSight is multi-region uptime monitoring built to stop alert fatigue. Every check runs from four regions (US, Canada, Europe, Asia-Pacific) and a quorum-based consensus policy confirms an outage from more than one region before anyone is paged, so a single flaky vantage point never wakes you at 3 AM. Eight check types cover HTTP/uptime, keyword/content, SSL certificate expiry, DNS drift, domain expiry (RDAP), ping latency, TCP/UDP port checks and heartbeat monitoring for cron jobs and backups. Alerts go out by email, Slack, HMAC-signed webhooks and SMS, with escalation policies and maintenance windows to keep noise down. Public status pages are included on every tier (white-label with custom domains on Scale), plus incident management with timelines, multi-user organizations with roles, and uptime/latency history with regional breakdowns.Starting Price: $16/month -
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Visual Sentinel
Visual Sentinel
Visual Sentinel is a six-layer website monitoring platform for public websites, web applications, APIs, and client portfolios. It combines HTTP uptime, performance and Core Web Vitals, SSL certificate and domain expiry, DNS change detection, rendered browser screenshot comparisons, and critical content assertions. Visual Sentinel is designed to catch failures that ordinary ping monitors miss, including blank renders, missing CTAs, broken layouts, defacement, injected content, and unexpected page changes that still return 200 OK. Incident records keep the response, timeline, and visual evidence together. Teams can alert through email, Slack, Discord, Telegram, WhatsApp, Microsoft Teams, PagerDuty, Opsgenie, webhooks, and browser push according to plan. Additional features include server monitoring, API monitoring, status pages, client reports, Google and Cloudflare integrations, an Android companion, REST API, and MCP tools.Starting Price: $6 per month -
16
Server Check
FearWorks Media Ltd.
The Server Check Monitoring System continually monitors your websites and other internet-based services (Ping, SMTP, IMAP, FTP, etc.) and makes sure you're the first to know when there's an outage. Don't lose any more visitors to downtime. Our FREE 10-monitor version of Server Check lets you get started with monitoring in less than five minutes completely free! Get alerted as soon as something stops working: visual alerts, audible alarms, emails and SMS texts to as many admins as you need. Server Check makes sure you know about it so you can fix it! Quick setup of all common protocols, including HTTP & HTTPS, Ping, FTP, SMTP, POP3, IMAP, TCP, MySQL. Monitor them all and stay ahead of any long outages that might lose customers! View statistics for each monitor, response time graphs, outage length reports, web-based stats and uptime pages, and keep track of uptime and downtime over the last 12 months.Starting Price: Free -
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UptimeMonk
UptimeMonk
UptimeMonk is uptime monitoring and incident intelligence software for online services and scheduled jobs. Check HTTP/HTTPS endpoints, SSL/TLS certificates, domain expiry, DNS records, TCP ports, ping/ICMP, cron jobs, heartbeats, and browser page rendering. Multi-region verification confirms failures before incidents open. Probable-cause diagnostics, evidence timelines, latency data, and recovery tracking speed investigation. Map upstream and downstream dependencies, identify critical paths, correlate overlapping incidents, and review evidence-linked impact summaries. Signed GitHub and GitLab deployment webhooks add nearby releases to incident timelines without repository access. Publish branded public status pages with live component health, incident updates, maintenance notices, and availability history. UptimeMonk provides scheduled maintenance, configurable alerts, on-call escalation, email, chat and webhook integrations, team roles, audit history, SLA reports, and CSV exports.Starting Price: $10/month -
18
WebGazer
WebGazer
Uptime monitoring, cron job monitoring and eye candy hosted status pages in a single tool for your business. Everything you need to keep your business running without interruption. WebGazer enables you to monitor websites and REST API endpoints. It checks the service's status by sending an HTTP request with a configurable frequency and sends a notification immediately if an issue is detected. In order to prevent alert fatigue, WebGazer does additional checks when an incident is detected and fires the notification only if the incident is verified by these additional checks. Get notified instantly via e-mail, webhook, PagerDuty, Slack, SMS and phone calls when an incident occurs. Check services' status as frequently as every 60 seconds! Too much? You can set it as low as 24 hours. Poor performance can be an indicator of a forthcoming disaster. Catch the performance issues before they turn into incidents.Starting Price: $5.00/month -
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FlareWarden
FlareWarden
FlareWarden monitors your entire stack from a single URL. Smart Setup auto-detects uptime, SSL, DNS, critical content, and 700+ third-party dependencies like Stripe, AWS, and Cloudflare — in under 2 minutes. When a check fails, cross-region verification confirms it from multiple continents before alerting you. No more 3am false alarms from network blips. Most tools tell you your site is down. FlareWarden tells you why — your server, your payment provider, or your CDN? The parent/child architecture links your site to its dependencies so one glance shows full stack health. Every plan includes status pages that update automatically from your monitoring data. No manual incident creation during outages. Built for agencies, freelancers, and small teams who need reliable monitoring without enterprise pricing. Free plan with 15 monitors and a status page — no credit card required.Starting Price: $10 -
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AlertSleep
AlertSleep
Every minute of downtime costs money, reputation, and users. AlertSleep watches your services around the clock and alerts you the moment something breaks — so you can fix it fast. 🔍 What AlertSleep does: • Monitors websites, APIs, and services every 1 minute • Sends instant alerts via Email, Slack, Telegram, Teams, WhatsApp, SMS, or Voice call • Tracks response times and uptime statistics • Creates public Status Pages to keep your users informed • Logs every incident with timeline and recovery time 🆓 Free forever plan: • 5 monitors (check every 5 min) • 1 public status page • Email alerts included • No credit card required 💼 Who it's for: • Indie developers who can't afford enterprise tools • Startups that need reliability without complexity • Agencies managing client websites • Small businesses with online presence 🌍 Available in 7 languages: English, German, French, Spanish, Polish, Portuguese, CzechStarting Price: $5/month -
21
OnlineOrNot
OnlineOrNot
We monitor your websites, APIs, cron jobs, and scheduled tasks. Your team gets immediate alerts via email, SMS, Slack, PagerDuty, Incident.io, and more. You don't have to be an engineer to set it up. Simple and effective monitoring that lets you sleep a bit better at night. Check as often as every 30 seconds, and catch the issues that take your website down for less than a minute. You can configure the HTTP method, headers, and body for each check. OnlineOrNot runs every check at least twice before sending an alert, with options for even more. OnlineOrNot will check your SSL certificates for expiration and other issues, and alert you if there's a problem. You can choose to run uptime checks from one region, or all of them. Your customers rely on your products and services. Let them know your real-time status with an automatically updating status page. Add your customers as subscribers to your status page, and send consistent incident updates via email.Starting Price: $20 per month -
22
exit1.dev
exit1.dev
exit1.dev is real-time uptime monitoring for websites, APIs, and infrastructure, built around a live dashboard. Probe results stream from our regional servers straight into your browser over WebSockets, so the chart and raw probe table update the moment each check finishes, with per stage timing for DNS, connect, TLS, and first byte. No refresh, no polling. Checks run from multiple regions across HTTP, TCP, UDP, ICMP, WebSocket, DNS, and heartbeat monitors. It also tracks SSL certificate and domain expiry, validates response bodies with status codes, JSONPath, and text, and alerts through email, SMS, Slack, Discord, Teams, or webhooks. exit1.dev ships an MCP server too, so AI assistants can create and query your monitors directly. You also get public status pages, status badges, and a REST API. The free plan includes 10 monitors with no credit card.Starting Price: $7/month -
23
Oh Dear
Oh Dear
Oh Dear monitors the health of every website a team manages. Oh Dear checks uptime every minute from multiple locations and monitors SSL certificates, DNS records, domain expiration, scheduled tasks, broken links, mixed content, performance, Lighthouse, APIs, application health, ping, TCP ports, sitemaps, DNS blocklists and exposed ports. Oh Dear sends alerts through email, Slack, Microsoft Teams, PagerDuty, Opsgenie and webhooks. Oh Dear includes branded status pages, client-ready reports, unlimited users and every monitoring feature on every plan. Oh Dear also includes AI-powered checks and SSO. Mattias Geniar and Freek Van der Herten founded Oh Dear in Belgium in 2018. Oh Dear stores monitoring data in the EU and supports GDPR requirements. Oh Dear offers a 10-day trial with every feature and requires no payment information.Starting Price: $17 per month -
24
Polyoptra
Eastside Marketing
Polyoptra is a web-based multi-site monitoring and reporting dashboard for digital marketing agencies, SEO consultants, freelancers, and website owners. It brings Google Analytics 4, Google Search Console, and real-user page-speed data from the Chrome UX Report into one grid, with indicators for sites whose tracking has stopped. Agency and Scale plans add 10-minute uptime checks, SSL certificate and domain-expiration alerts, and branded monthly client reports. Users can monitor website data and availability across multiple sites and prepare recurring reports for clients. A free plan covers up to three sites; paid plans offer higher site limits and additional features, with a 14-day free trial available.Starting Price: $24/month -
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Statlix
Statlix
The Simplest Websites Monitoring with built-in Status Pages. The Next Generation Of Distributed Monitoring System with instant alerts to Slack and Zapier that helps to keep your infrastructure Highly Available. Expect the unexpected with Statlix. Statlix helps you take a more scientific and measured approach to website availability: Monitor website uptime. You can quickly configure uptime monitoring systems for all selected URLs you manage. Check status real-time. View daily uptime statistics that provide more accurate snapshots of website performance. Ensure availability. Statlix has helped our clients monitor and maximize uptime affordably and reduce outages and unavailability! Alert to status changes. Alert them to scheduled maintenance and of progress with fixes by configuring your own customized status pages. Customers can sign up to receive status updates. Receive quality reports Receive notifications when problems arise by email, SMS, RSS, custom WebHooks, Slack, etc. -
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Relvato
Relvato
Relvato is a website monitoring and regression-testing service that rechecks site functions in a real browser, including uptime, sign-up and login flows, checkout, page speed, search visibility, security and visual changes. Public-page monitors work with websites across different platforms; a WordPress plugin adds event-triggered checks for WordPress and WooCommerce updates and authenticated flows. Relvato can rerun checks after GitHub deployments and connect Google Search Console and Bing Webmaster Tools for search-performance signals. Reports and alerts identify failures and associated changes, while optional AI-assisted suggestions can help explain issues and propose fixes. Additional monitoring covers SSL, DNS, broken links, email delivery, accessibility, cookie consent and legal pages. Plans include a free tier and paid subscriptions for site owners and agencies managing multiple sites.Starting Price: $29/month -
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AppBeat
AppBeat
We help monitor your online services and catch issues & anomalies before they reach your end customers and become costly incidents! To detect outages, unexpected behavior & performance regressions. Minimize risk of losing customers, time, money & brand reputation. Our globally distributed monitoring probes check your publicly exposed web pages and web services via TCP or UDP protocols. We run millions of checks every day, 24/7. We have 6 years of experience in this field, our solution is mature, easy to use and very reliable. As an additional guarantee, we offer a service level agreement (SLA) option for our high-end monitoring plan(s). Measuring response times and uptime, checking for valid HTTP(S) response, ensuring page integrity with SHA-256 hash. Never forget to renew your web server certificate with our TLS / SSL monitoring. We will send periodic ping requests to your servers to check if they are alive. -
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CheckoutAlarm
Volado Labs
CheckoutAlarm is a hosted monitoring service for founders and independent makers running applications that accept payments through Stripe. It periodically loads a selected website page and checks its response status, speed, and whether an expected page title or phrase is present. For Stripe, it monitors undelivered webhook events and disabled endpoints, and can alert when sales activity stalls. Before monitoring begins, site ownership is verified using a DNS record, a meta tag, or a verification file. CheckoutAlarm sends email alerts after two consecutive page-check failures and a recovery notice when the check succeeds again; Stripe alerts are also sent by email. The Free plan checks one site daily. Pro checks up to three sites hourly for $19 per month. CheckoutAlarm helps identify website availability and Stripe payment-delivery problems through scheduled monitoring.Starting Price: $0 -
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SEOENV
SEOENV
SEOENV is web-based backlink management software for SEO freelancers, agencies, and in-house marketing teams. It organizes link-building work—including reciprocal and ABC exchanges, paid placements, guest posts, and directory listings—by client, project, and partner. Users can record deal details, import and export link records through CSV, and review links in a shared tracker. The service checks tracked source pages for link presence, page errors, and link attributes such as dofollow or nofollow; checks can be run manually on the Free plan and automatically each day on paid plans. Client-focused reports provide read-only sharing, while higher plans add branded reports, link-status reporting, anchor-text analysis, ROI tracking, and invoice tools. SEOENV monitors links users have recorded rather than crawling the web to discover backlinks.Starting Price: $0 -
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Modular DS
Modular DS
Modular DS makes it easy to manage and monitor multiple WordPress websites, helping freelancers and agencies save time, avoid repetitive work, and focus on growing their business. Instead of relying on multiple plugins and tools, it allows you to automate your maintenance tasks from a single, intuitive dashboard. Key features include bulk and safe updates, backups, restores, performance checks, uptime monitoring, vulnerability scans, and database optimization. Modular DS also lets you generate automated maintenance reports that clearly show clients the work you do. It integrates with Google Analytics, Search Console, WooCommerce, and PageSpeed, giving you an overview of your sites in one place and letting you include the data your clients care most about in your reports. The platform offers a 14-day free trial, transparent subscription plans, and regular new features based on user feedback.Starting Price: $16/month -
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Larm
Larm
Larm is an uptime monitoring platform that checks websites, APIs, and services from multiple global locations and only alerts you when multiple probes confirm a problem. This multi-location verification eliminates the false positives that plague most monitoring tools. Larm supports HTTP, TCP, DNS, SSL certificate, and heartbeat/cron monitoring. Every HTTP check captures a full request waterfall (DNS, TCP, TLS, TTFB, transfer), giving you the data you need to debug performance issues, not just know something is down. Status pages are included on every tier, including the free plan. Pages are rendered as static HTML and served from a CDN, so they stay up even when your infrastructure doesn't. Custom domains, email subscribers, automated incident updates, and component grouping are supported on paid plans. Alerts can be sent through 13+ channels.Starting Price: $19/month -
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MonitorWWW
MonitorWWW
MonitorWWW is a website monitoring and security service for website owners, online stores, agencies and hosting teams. It checks websites every five minutes without requiring a plugin, server installation or hosting credentials. Checks cover availability, response time, SSL certificates, domain expiry, DNS and email-authentication records, security headers, exposed configuration or backup files, suspicious code, PHP errors, content changes and performance signals. WordPress monitoring adds core-version and known-vulnerability checks, malware detection and checks for WooCommerce cart and checkout availability; PrestaShop also has platform-specific security and configuration checks. Users review findings in a dashboard, receive email, SMS or Telegram alerts, and can generate PDF reports. Plans differ by monitored-site count and features, serving both individual sites and client portfolios.Starting Price: 49 PLN/year (approx. EUR 11) -
33
CareProof
dm2, LLC
CareProof is a web-based monitoring and client-reporting tool for solo web designers and small studios caring for local-business websites. It checks sites externally and emails monthly plain-English reports covering uptime, SSL status and expiry, domain renewal timing, mobile speed, and basic Google tags. Users can add a note about maintenance work, choose a send date, preview reports, or send a test email. The free plan covers one client site; paid plans add sites in packs of 10 and include reports branded with the user's logo, colour, and sender name. CareProof needs no plugin or login on client sites. It reports rather than fixes problems, does not verify backups, and does not connect to Google Search Console or Analytics. A separate website health check is available without sign-up. The product is aimed at client-facing care-plan reporting rather than enterprise monitoring or SEO analytics.Starting Price: $9/month -
34
Site Qwality
Site Qwality
Site Qwality brings website monitoring and full-stack observability into one platform. Engineering teams can monitor uptime and APIs, run synthetic browser checks, track scheduled jobs, and watch SSL certificates, domains, and DNS. Logs, metrics, distributed traces, real user monitoring, and session replay help teams investigate what happened and how users were affected. Incident management, on-call workflows, alert integrations, and public status pages support the response when something goes wrong. Free allocations are included for each product, with paid capacity available separately. Current features, limits, and pricing are at siteqwality.com.Starting Price: Free -
35
SiteOps
SiteOps
SiteOps monitors your Joomla, WordPress and PrestaShop sites 24/7: downtime, SSL certificates, DNS, WHOIS/domain expiry, SEO score, security, backups and server metrics. Key features: - Uptime checks every 30 seconds from 8 worldwide locations - SSL/DNS/WHOIS monitoring with expiry alerts - Security: HTTP headers, Safe Browsing, brute-force detection - SEO score, Core Web Vitals, PageSpeed - Backups: Akeeba (Joomla) & UpdraftPlus (WordPress) - Server metrics: PHP, MySQL, load, TCP ports, IP reputation - Native agents for Joomla 4/5/6, WordPress, PrestaShop Alerts via Email, SMS, Slack, Telegram, Discord, Teams, Webhook. Multi-site dashboard for agencies. White-label available. GDPR-compliant, European hosting. Plans from €10 to €79/month — 10-day free trial.Starting Price: $0 -
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PulseWMS
PulseWMS
PulseWMS is a website operations platform for agencies managing multiple client websites. It combines website and uptime monitoring, technical SEO checks, website health workflows, PageSpeed monitoring, form and JavaScript error capture, AI-search readiness, saved evidence, client reporting, proposals and agency-focused workflows in one platform. Teams can monitor multiple websites, identify important changes and issues, retest fixes, and turn operational evidence into client-ready reports. PulseWMS also provides free public tools for website health, SSL, indexability, robots/sitemap and AI-search readiness.Starting Price: Free -
37
upsonar.io
upsonar.io
Most uptime monitors only check if your server responds. upsonar goes further — it loads your page and discovers every external dependency: CDN-hosted files, third-party scripts, web fonts, and API endpoints. If any of them fail, you get alerted before your users notice. Availability checks run from multiple global regions simultaneously, so regional CDN failures and localized outages don't go undetected. Beyond uptime, upsonar monitors SSL certificates approaching expiration, tracks domain expiry dates to prevent renewal failures, and detects DNS record changes that could indicate unauthorized modifications. All five monitoring types work together in one dashboard. Notifications reach you through email, Telegram, or webhooks compatible with Slack, Discord, and PagerDuty. Get started free with 3 websites — all features included, no credit card needed.Starting Price: €10/month -
38
Odown
Odown
Odown is a website uptime monitoring tool that helps you maintain customer trust by tracking your website’s performance in real-time. Monitor uptime, availability, and speed, and receive instant alerts via email, Slack, Webhooks, SMS, Telegram, and Discord, so you can quickly address any issues. API & WEBSITE MONITORING Monitor your website and APIs to track uptime and response times across 17 global regions. Identify HTTP errors quickly through a user-friendly interface. PUBLIC STATUS PAGES Boost customer trust with real-time transparency. Easily set up a status page to share your website’s uptime status in less than a minute. INCIDENT MANAGEMENT Minimize the time spent on incident management, allowing you to focus on resolving issues quickly to keep your customers satisfied. SSL MONITORING Prevent lost visitors due to expired SSL certificates. Receive timely alerts before your SSL certificate expires, ensuring continuous security. -
39
Uptrue
Vision Software Solutions
Uptrue is a multi-tenant SaaS monitoring platform. We help agencies and SMBs monitor websites, infrastructure, and AI visibility — all from one dashboard. 24 monitor types. WordPress plugin. AI Visibility (llms.txt + citation monitoring). Alerts via Email, Slack, Teams, webhooks. Public status pages. Built for agencies who manage multiple client sites and SMBs who want simple, affordable monitoring without enterprise pricing. Free tier available. No credit card required.Starting Price: $14/month -
40
StatusCake
StatusCake
StatusCake.com is a free website monitoring service ensuring that website owners are alerted the moment their website goes down or is experiencing problems. StatusCake premium plans allow multiple websites to be monitored (300 on the Business plan), as well as selecting the global location from where uptime is tested from. Additional features include page-speed testing, domain monitoring, server monitoring, SSL monitoring, as well as virus and malware scanning. We'll keep an eye on your website performance for you in the background. Website downtime happens. We'll send you a notification letting you know when it does. Sit back. Relax. Focus on your business. Let us worry about your uptime. Website monitoring that does all the hard work for you. We’ll alert you when your website goes down. With 30 second check rates and 30 different countries to monitor from, you’re in safe hands.Starting Price: $24.99 per month -
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updown.io
updown.io
Zero configuration dual-stack monitoring (IPv4/v6), same price. You can set the check frequency down to every 15s. SMS, Webhook, Zapier, Telegram, Statuspage, Slack (or compatible). Provides multilingual availability & performance reports. We accept bitcoins and altcoins, alongside Paypal and credit cards. Downtimes are confirmed from multiple locations (8 total). Hack and integrate updown.io with the REST & WebHook APIs. Match the presence of a string instead of the regular HTTP status. Receive alerts in case of invalid or expiring soon certificate. We also offer read-only API key so you can build public integrations (like a truly custom status page or TV dashboard) directly in javascript without giving away your read/write access. If you make this API key publicly accessible, for example through javascript, be careful! All your checks will be visible including the URL parameters and custom HTTP headers which might leak sensitive information.Starting Price: Є2.93 per month -
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NodePing
NodePing
Monitor 200 services at 1 minute intervals all month for only $25. All our plans include unlimited international SMS notifications so your costs are predictable, no matter how many alerts you need. No contracts, cancel at anytime. Our SSL checks verify your HTTPS certificates and our HTTP checks verify your content and the server's reply. Sub-minute intervals (15-seconds) mean you're the first to know when something's not right. Flat-rate plans that include unlimited international SMS notifications and unlimited users. We provide two solutions for on-premise monitoring. Agents allow you to assign our standard checks to run in your private networks, so you can monitor private addresses with interval DNS. Push checks monitor server resources. Our automated and on-demand diagnostic tools will help you quickly troubleshoot why a service is failing. Get MTR or dig results automatically emailed when your service fails. See full HTTP request and response headers.Starting Price: $8 per month -
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Pulsetic
Pulsetic
Pulsetic is an uptime and website monitoring platform for businesses, developers, ecommerce teams, and agencies that need fast outage detection and clear incident communication. It monitors websites, APIs, IPs, SSL certificates, ping, ports, TCP services, keywords, cron jobs, and domains from up to 15 global locations to help localize outages and reduce false positives. Features include instant alerts via email, SMS, phone calls, Slack, Discord, Telegram, Microsoft Teams, Twilio, Zapier, webhooks, and API workflows, plus real-time dashboards, status badges, response-time insights, historical uptime logs, PDF and image reports, and long-term monitoring history. Pulsetic also includes public or private status pages, custom domains, branding, multilingual status updates, subscriber notifications, incident timelines, scheduled maintenance notices, custom email sender options, teammates, password protection, 2FA, and SSO.Starting Price: $9 per month -
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Enterramon Pro
EnterraHost
Enterramon tests a site like a real browser would, then scores it on performance, security, SEO, caching and accessibility. Built for developers and agencies who want a report they can hand to someone else, a client, a prospect, or their own team. Free: On demand test from 5 regions (currently) Full scoring across all five areas Screenshot capture through the page load, desktop and mobile Server Technology and Network Information Waterfall Data Many Useful Mini Tools Pro: Daily automated testing for every site on your plan Monitor up to 100 sites Domain and SSL expiry monitoring Site status monitoring with notifications Weekly or monthly reports, white labeled, with trend data included Run a free report on a prospect's site before a pitch, show them what's broken and what's already working. Pro turns that same report into a monthly proof of work for retainer clients, trend charts and before and after scores included.Starting Price: $4.95/month -
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Hyperping
Hyperping
Combining reliable uptime and performance monitoring, hosted status pages & incident management all in one tool. Receive instant alerts when downtime occurs and collect performance metrics. Communicate incidents and maintenances to your users in beautifully simple status pages. Collaborate with developers and customer support to resolve issues together. Create incidents, add real-time updates and change your services status to keep your users in the loop. Instantly alert your team and communicate incidents with the integrations you love. Publish updates about incidents or maintenances and send notifications to your users. Set a password to share an internal status page with your teammates and collaborators. Arrange your monitors, status pages and teammates into specific projects. Change the method, parameters or headers of your HTTP monitors. Setup internal status pages and protect them with a password.Starting Price: $79 per month -
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rhealth.dev
rhealth.dev
rhealth.dev is an uptime monitoring platform designed to reduce alert noise and speed up incident response. It monitors websites, APIs, cron jobs, TCP services, and internal systems from up to 40 global locations, confirming failures across regions before alerting. This eliminates false positives caused by temporary or local network issues. Unlike traditional monitoring tools that only say “down,” rhealth.dev sends actionable alerts with exact failure reasons such as timeouts, connection errors, slow responses, or content mismatches. Key capabilities 1. Website & API uptime monitoring 2. Response time and performance tracking 3. SSL certificate expiry alerts 4. Keyword and partial-failure detection 5. Cron job & background task monitoring 6. TCP and database port checks 7. Private network monitoring using Docker-based checkers Free plan includes 1. 20 monitors 2. Unlimited team members 3. Unlimited status pages 4. No credit card requiredStarting Price: $0 -
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StatusDrift
ApptlySoft
StatusDrift is an uptime monitoring platform that watches your websites, APIs and infrastructure around the clock and alerts you the instant something drifts. Set up monitors in seconds with support for HTTP, HTTPS, ping, TCP port, SSL certificate expiry and keyword checks, all running from multiple regions so you can distinguish a real outage from a local blip. When a problem is detected, StatusDrift opens an incident automatically and gives you a full timeline - which regions were affected, how response times changed, and how long the issue lasted. You can acknowledge, investigate and resolve incidents right from your phone. Plan maintenance windows ahead of time so alerts stay quiet and your team knows exactly what's happening. The dashboard rolls up everything into a single view: monitors up, down, warning, paused or with expiring certificates, plus your latest incidents.Starting Price: $9/month -
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Gatus
Gatus
Gatus is an advanced automated status page that lets you monitor your applications and configure alerts to notify you if there's an issue. Designed to monitor REST APIs, it's a perfect fit for overseeing your services. You can monitor for a specific status code or for a keyword in the response body. By prefixing the URL of an endpoint, you can monitor a given target using ICMP. Forget about worthless status pages that only show you the uptime over the past 90 days and fail to accurately dispel users' confused when even after checking the status page, they still don't know what's going on. Gatus is all about what's going on right now. Gatus offers details that no other status pages can match. Our status page is not just a toy for preventing your customers from spamming you, it's a powerful tool to help you run automated user acceptance tests and make sure that you know about a problem before your users do.Starting Price: $5 per month -
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Watchman Tower
Watchman Tower
Watchman Tower is an all-in-one platform for real-time website monitoring, server monitoring, and status page management. Instantly detect downtime, SSL certificate issues, and domain status changes to ensure your digital assets are always online and secure. With seamless integrations to Slack, Email, SMS, and Webhooks, you’ll never miss a critical alert. Our intuitive dashboard provides advanced uptime graphs, performance analytics, response time tracking, and fully customizable public status pages. Designed for website owners, developers, IT teams, and businesses of all sizes, Watchman Tower scales with you — offering a powerful free plan and feature-rich premium options.Starting Price: $5.99/month -
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Prerender Buddy
Prerender Buddy
Prerender Buddy is a SaaS platform for teams and agencies managing website visibility and content operations. It combines AI search visibility monitoring with website health checks, crawler activity evidence, and comparisons between crawler-visible HTML and rendered pages. Teams can track selected questions and review recorded AI answers, brand mentions, citations, sources, and competitors; check access rules and important pages; and use managed prerendering when a rendering gap is confirmed. Content workflows help turn opportunities into ideas, briefs, and article drafts for review and supported CMS publishing. An assistant explains findings alongside supporting evidence. The free plan covers one website, 500 fresh renders per month, crawler checks, and seven days of visit history; paid plans add higher rendering capacity and AI visibility or content features. AI monitoring uses provider APIs, so results may differ from consumer chat sessions.Starting Price: plans from $19/month
