assertible.com

Uptime Monitoring free for up to 100,000 events for unlimited projects and unlimited status pages.

Uptime monitoring, incident management, on-call scheduling/alerting, and status pages in a single product. The free plan includes ten monitors with 3-minute check frequency and status pages.

Cron job and heartbeat monitoring and status pages for scheduled tasks, backups and background jobs, MCP server available. Free tier: 10 checks, 200 ping log entries, email/chat/webhook alerts, no credit card. Open Source support program for qualifying OS projects.

Rails APM with request-based pricing: live traces, slow SQL, N+1 detection, and error tracking. Free forever for 50k requests/month, 7-day retention, 1 app, 1 uptime check, and email alerts. No credit card required.

Heartbeat monitoring for cron jobs, plus HTTP uptime and TLS expiry checks, and a Laravel package that creates checks from your scheduler. Free tier with 10 checks, HTTP interval from 5 min, 30 days of history, 50k pings/mo.

Free uptime monitoring for hobby projects. Includes 50 monitors with 5-minute check intervals, supports HTTP, ping, port, and keyword monitoring. ⬆️ Back to Top

Uptime monitoring: 20 free, Linux and Windows Server monitoring: 5 free, Status page: 1 free - Mobile app, multiple notification channel, and much more!

monitor five pages, checks every 24 hours.