Open Source UptimeRobot Alternatives

PHP Server Monitor

PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address. * Monitor services and websites (see below). * Email, SMS and Pushover.net notifications. * View history graphs of uptime and latency. * User authentication with 2 levels (administrator and regular user).

Free Open Source Windows Linux BSD Self-Hosted PHP

19 Like

Cabot

Cabot is a free, open-source, self-hosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity.

Free Open Source Self-Hosted

11 Like

Site monitoring

Free open-source website monitoring software, easy to set up and use for monitoring web sites. You can monitor single web pages, multiple web pages, pages in sitemap and even your whole web site using spider. You can check HTTP result codes and even contents of the checked pages. Website checking is done periodically using build-in cron mechanism. In case of a check failure, application will automatically send email to site administrator.

Free Open Source Mac Windows Linux

6 Like

Statuspal.io

Monitor and communicate the status of your site, app or API with your very own status page. Create it in less than 3 minutes with Statuspal! Or host it yourself for free with our open source community edition.

Freemium $ $ $ Open Source Web

7 Like

Monitoshi

Free Website Monitoring. Be notified when your site is down. + no UI, we send an email when your site is down + host it yourself and for free on OpenShift + monitor as many URLs as you want + this is free and open source software + host it yourself or use our instance + embed it in your website

Free Open Source Web

3 Like

APId

Don’t just check for 200’s, model complex customer flows and monitor their realtime performance from around the world. Get notified the instant something goes wrong.

Free Open Source Self-Hosted Software as a Service (SaaS)

1 Like

SiteDelta

SiteDelta is an Add-on for old versions of Mozilla Firefox (before the introduction of WebExtensions). SiteDelta can scan for changes to a website since your last visit. It adds a small Delta icon to your browser status bar. When you click onto it, it highlights all changed text contents of the current page (since the last time you clicked onto it). Clicking again cycles through the changes.

• Discontinued
  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 Mac Windows Linux Web Firefox

3 Like

PhpSysInfo

phpSysInfo: a customizable PHP script that displays information about your system nicely

Free Open Source Self-Hosted PHP

Uptime

uptime is a remote monitoring application using Node.js, MongoDB, and Twitter Bootstrap.

Free Open Source Web MongoDB Node.JS