
DevRaven
Checkly
Uptime Kuma
UptimeRobot
Pingdom
Postman
Better Stack
AppMon.dev
exit1.dev
Better Stack
UptimeRobot
Uptime Kuma
Pingdom
Phare.io
Indatus
StatusCake
DevRaven enables engineering teams or individual developers to setup active monitoring for their services/applications and get alerted when things don't work as expected.
exit1.dev is a real-time uptime monitoring for websites, APIs, and infrastructure, with multi-region checks, SSL-expiry and domain tracking, heartbeat/cron monitoring, and multi-channel alerts (email, SMS, Slack, Discord, Teams, webhooks). Includes public status pages, response validation, a REST API, and an MCP server for AI assistants. Free tier with 10 monitors, no credit card needed.
DevRaven
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exit1.dev's answer:
Real-time by design: The dashboard holds a WebSocket to each probe region, so when a probe finishes in Frankfurt you see the result the same second. No polling. The live chart appends each probe as it lands, with a DNS/connect/TLS/TTFB phase breakdown per point, plus a raw probe table for the last 24h.
exit1.dev's answer:
Other uptime monitoring tools, only allow for private use on the free plan. We allow full commercial usage on our free plan.
Checkly - Fresh API monitoring and Site Transaction Monitoring. From one great dashboard.
Better Stack - Everything you need to ship higher‑quality software faster.
Uptime Kuma - A fancy self-hosted monitoring tool.
UptimeRobot - Free Website Uptime Monitoring
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Postman - The Collaboration Platform for API Development