← All website monitoring tools
Open-Source (1 options, 2026)
Self-hosted, code-on-GitHub options. Run on your own server, customize freely, never pay per-site fees.
Browser fingerprinting library + paid Pro API — free OSS core, paid plans from $99/mo.
Tips for open-source tools
- Don't run on the same server you're trying to monitor.
- Consider time-cost: free in dollars, not free in maintenance hours.
- Open-source = no vendor lock-in, but you handle backups and updates.