PingFlow

Lightweight, dockerized uptime and SSL-certificate monitor with a dark-themed public status page.

Webfree

PingFlow is a lightweight, open-source uptime and SSL-certificate monitor with a dark-themed public status page. It reads its monitor list from a single JSON config file, needs no database, and checks each site roughly every 30 seconds, showing live status and response-time sparklines. It can be deployed instantly to Vercel from a fork for a serverless, zero-config setup, or self-hosted with Docker for persistent history across restarts.

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