WebInspector is a websites watcher, a python console program that periodically checks a list of websites for changes and updates. If such an update is detected, selected by the user program (or programs) is executed. By default it's a webbrowser.
Automatic link management program. Has three functions: List links in database in html format, add links to database using browser and optionaly check for bad links (by cron job). This eliminates the need for the "Report bad link" on too many web sites
Like social boomarking, allows users to share their bookmarks online. Like wiki, anyone can freely edit links. Export / Import boomarks with your browser. Many other features: RSS and Atom feeds, URL check, popular categories, XLIink, ...
WEBsent is a web service test and performance tool. It offers the user, via a client site hypertext browser, some tools and tests to check the performance and validity of his/her web server. WEBsent is designed to monitor webpages, content accessibility