Built a free distributed uptime monitoring tool used on all my self hosted apps
After seeing DataDog Synthetics pricing, I spent the last year building a distributed uptime monitoring system that we've been using internally.
What makes it different:
- Fully distributed - monitoring happens from real user locations, not just data centers
- Each check is verified by 3 different agents to eliminate false positives
- Anyone can run a monitoring agent and earn points (planning to add payment for processing premium checks)
- No single point of failure
Currently supports HTTP/HTTPS endpoints with 1-10 minute check intervals. Planning to add email alerts in the next few days, and then features like internal network monitoring (which I know many of you would find useful for homelab setups).
Since this community has given me so much over the years, I'd love your feedback on what features would be most valuable. Also planning to open source most of the codebase once it's cleaned up.
Check it out at: https://synthmon.io/
Posted Jul 9, 2025, 4:12 AM UTC
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