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About

Greenbar is a hosted uptime-monitoring service for freelancers and small web agencies that manage client websites. Users organize monitored URLs by client and check them over HTTP or HTTPS against expected response codes, with optional keyword checks to catch error pages that return a successful status. Email alerts are available on every plan; paid plans add Slack and signed-webhook alerts. Each client gets a public status page with current service states and incident history; monitor URLs remain private. Paid plans offer client logos and brand colors and allow the Greenbar footer to be hidden. Free includes one client page, five monitors and five-minute checks, with seven-day check history. Freelancer includes 10 client pages and 50 monitors; Agency includes 30 client pages, 150 monitors and up to three logins. Paid plans offer one-minute checks and 90-day check history. New accounts receive $100 in free credit, and no payment card is required to start.

About

Sentinel is a hosted monitoring service for websites, APIs, and network services. It runs HTTP/HTTPS, JSON/API, keyword, SSL certificate, DNS, domain expiration, ping, TCP port, cron job, and heartbeat checks, with response-time data and public status pages. Checks can run as often as every 15 seconds from 15 locations across six continents, with multi-location confirmation for outage alerts. Teams can receive notifications through email, SMS, Slack, Microsoft Teams, Discord, Telegram, PagerDuty, and webhooks. Sentinel also provides a REST API, command-line tools, a Terraform provider, and an MCP server for automation. A free plan is available, while paid plans start at $14 per month; plans include API access and do not charge per seat. The service is intended for developers, DevOps and SRE teams, and businesses that need to monitor service availability.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Freelancers and small web agencies that look after client websites.

Audience

Developers, IT professionals, DevOps and SRE teams, and SaaS businesses.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

$0/month
Free is $0/month and includes one client status page, five monitors, five-minute checks, and seven-day check history. Freelancer is $15/month or $150/year for 10 client pages and 50 monitors. Agency is $35/month or $350/year for 30 client pages, 150 monitors, and up to three logins. Paid plans include one-minute checks and 90-day check history. Prices are in USD. New accounts receive $100 in free credit, and no payment card is required to start.
Free Version Supported
Free Trial Not Supported

Pricing

$14/month
Free plan available. Paid plans start at $14 per month; plans include API access and have no per-seat fee. A 14-day free trial is available on paid plans.
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Greenbar
usegreenbar.com

Company Information

Rootstuff
Founded: 2010
United States
sentinel.rootstuff.io

Alternatives

Alternatives

Pulsecima Pulse

Pulsecima Pulse

Pulsecima
ZnowPulse

ZnowPulse

ZnowSoft
quietwatch

quietwatch

QuietWatch

Categories

Website Monitoring Supported

Categories

Website Monitoring Supported

Integrations

Slack Supported
Discord Not Supported
GitHub Not Supported
Microsoft Teams Not Supported
Model Context Protocol (MCP) Not Supported
PagerDuty Not Supported
Rootly Not Supported
Telegram Not Supported
Terraform Not Supported
incident.io Not Supported
n8n Not Supported

Integrations

Slack Supported
Discord Supported
GitHub Supported
Microsoft Teams Supported
Model Context Protocol (MCP) Supported
PagerDuty Supported
Rootly Supported
Telegram Supported
Terraform Supported
incident.io Supported
n8n Supported
Claim Greenbar and update features and information
Claim Greenbar and update features and information
Claim Sentinel by Rootstuff and update features and information
Claim Sentinel by Rootstuff and update features and information