Open Source UptimeRobot Alternatives
The best open source alternative to UptimeRobot is PHP Server Monitor, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to UptimeRobot and nine of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to UptimeRobot are Cabot (Free, Open Source), APId (Free, Open Source), Monitoshi (Free, Open Source) and Upptime (Free, Open Source).
- SiteDelta is an Add-on for old versions of Mozilla Firefox (before the introduction of WebExtensions). View 36 alternatives to SiteDelta
The extension are no longer updated. Last version, 0.13.2.1, released in March 2013, can be still downloaded from Mozilla Addons.
- Free • Open Source