MonitorFlare
Zero-cost uptime monitoring on the Cloudflare free tier
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MonitorFlare - Zero-cost uptime monitoring on the Cloudflare free tier

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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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Hi everyone! I built MonitorFlare because I wanted uptime monitoring that costs nothing and needs no server: it runs entirely on the Cloudflare free tier (Workers + D1 + Pages) with a one-click deploy. It covers HTTP, DNS, TCP and SSL expiry checks with 9 notification channels and 9 languages. It is MIT licensed and fully open source. Would love your feedback on the status page, notification channels or anything else — happy to answer questions!