- The Spoon Browser Sandbox lets you run all popular web browsers, including Internet Explorer, Firefox, Chrome, Safari, and Opera, directly from the web, wi...The Spoon Browser Sandbox lets you run all popular web browsers, including Internet Explorer, Firefox, Chrome, Safari, and Opera, directly from the web, with no installs.
- Selenium is a test tool for web applications. Selenium tests run directly in a browser, just as real users do.
- Firebug is a Firefox plugin which lets edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.
- This is the the Annozilla project, designed to view and create annotations associated with a web page, as defined by the W3C Annotea project. The idea is t...This is the the Annozilla project, designed to view and create annotations associated with a web page, as defined by the W3C Annotea project. The idea is to store annotations as RDF on a server, using XPointer to identify the region of the document being annotated.
- Piggy Bank is an extension to the Firefox Web browser that turns it into a "Semantic Web" browser.


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