Zero-Cost Uptime Monitoring + Status Page on Cloudflare's Free Tier

This page summarizes the projects mentioned and recommended in the original post on dev.to

Kargo - Stop Scripting Promotions. Start Shipping with Kargo
Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
akuity.io
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AppSignal - Monitoring that respects your time & budget
APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
www.appsignal.com
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  1. Uptime-Monitor

    基于 Cloudflare Workers + D1 构建的轻量级网站监控系统。支持 SSL/域名过期检测、钉钉报警、自定义状态页。 (by nianshu2022)

    It's an enhanced fork of Uptime-Monitor (MIT), with a Vue 3 frontend, PWA support, and i18n in 9 languages.

  2. Kargo

    Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.

    Kargo logo
  3. MonitorFlare

    MonitorFlare is a self-hosted uptime monitoring platform with a beautiful public status page. It runs completely free on Cloudflare Workers, D1, and Pages — no servers, no VPS, no monthly costs.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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Did you know that Vue is
the 27th most popular programming language
based on number of references?