Uptime Guard

Self-hosted uptime, TCP, DNS, and TLS monitoring with public status pages, running free on Cloudflare.

Webfree

Uptime Guard is a self-hosted monitoring platform that runs entirely on Cloudflare Workers and D1, so there is no VPS or container to maintain. It checks websites, APIs, TCP ports, DNS, TLS certificates, domains, cron jobs, and multi-step scripted flows, escalates alerts through Telegram and web push, and tracks SLA and incident history on a public status page. It's positioned as a free, serverless alternative to per-monitor SaaS tools or self-hosted options that still need a server watched.

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