MonitorFlare

Zero-cost uptime monitoring on the Cloudflare free tier

Open Source Developer Tools GitHubLaunched Aug 23, 2026

What is MonitorFlare?

MonitorFlare is a self-hosted uptime monitoring platform with a beautiful public status page that runs entirely on the Cloudflare free tier (Workers + D1 + Pages). One-click deploy, no server, no monthly cost. Monitors HTTP/HTTPS, DNS, TCP ports, SSL certificate and domain expiry with 9 notification channels (Telegram, Slack, Discord, DingTalk, WeCom, Feishu, ntfy, webhook, email) and 9 languages. PWA status page with email subscription and RSS feed. MIT licensed and open source.

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