Huginn is a system for building agents that perform automated tasks for you online. They can read the web, watch for events, and take actions on your behalf. Huginn's Agents create and consume events, propagating them along a directed graph.




WebMon is described as 'Freeware web page update monitoring program - it saves you time and keeps you updated by automatically checking web pages to see if they have changed' and is a website monitoring tool. There are more than 25 alternatives to WebMon for a variety of platforms, including Web-based, Windows, Linux, Mozilla Firefox and Mac apps. The best WebMon alternative is Huginn, which is both free and Open Source. Other great apps like WebMon are Distill Web Monitor, UptimeRobot, WebSite-Watcher and Update Scanner.
Huginn is a system for building agents that perform automated tasks for you online. They can read the web, watch for events, and take actions on your behalf. Huginn's Agents create and consume events, propagating them along a directed graph.




Distill is a web monitoring tool. It can monitor RSS feeds, a webpage or a part of webpage. Alerts in the form of pop-up, audio or emails can be received.




Free real-time monitoring for 50 sites every 5 minutes. Custom alerts through email, SMS, calls, and apps like Slack, PagerDuty, and more. Use status pages and mobile apps for easy management.




just checks for uptime....not actually changes


WebSite-Watcher detects website updates and highlights all changes in the text. WebSite-Watcher monitors web pages, password protected pages, discussion forums and much more.




Update Scanner is a Firefox extension to monitor web pages for updates. Useful for websites that dont provide Atom or RSS feeds.






Create automatic monitors for detecting and scanning changes on web pages, evaluate content based on conditions you define and trigger actions such as notifications, sounds, emails etc.




Create feed from elements (e.g. links) extracted from a given web page.

SiteDelta is an Add-on for old versions of Mozilla Firefox (before the introduction of WebExtensions).






A Web-to-RSS parser in Common Lisp. This software was written because a disappointing number of websites still does not have an RSS or Atom feed so you could subscribe to their updates. The script tries to find new articles on any website according to given criteria (CSS...


Does not monitor webpages for updates.