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.
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Server Check
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.
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Monitor.us
Monitor.Us is a free, cloud-based IT systems monitoring service that provides comprehensive visibility into your website, server, network, and application performance. Its all-in-one dashboard allows you to monitor website uptime and response times, server health, network performance, and custom metrics from anywhere, facilitating quick identification and resolution of issues affecting your online presence. The platform offers features such as full-page load monitoring, which assesses how long it takes to load a complete HTML page in real browsers, and mobile monitoring, enabling you to stay informed on the go with alerts sent to your Android and iOS devices, as well as via text and email. Monitor.Us supports various protocols, including HTTP, HTTPS, PING, DNS, SMTP, POP3, IMAP, TCP, UDP, and ICMP, ensuring comprehensive monitoring capabilities. It provides instant failure alerts through email, instant messaging, SMS, or live voice, and offers detailed reporting.
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Pingometer
Pingometer monitors the uptime, downtime, and performance of websites. As the number one website uptime monitoring solution, Pingometer provides around-the-clock monitoring service to ensure that your website is always up and running. Pingometer offers HTTPS, HTTP, RUM, ICMP, DNS, POP3, IMAP, SMTP, UDP, TCP, API, and transaction monitoring. Core features include smart alerts, REST API, 24/7 coverage, detailed reports, and more.
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