Firefox is a free and open source web browser and most popular among Web Designers and Developers. If you see in the graph below (taken from levoltz analytics), 64.57% users of Levoltz are using FireFox. It makes the job of Web Designers and Developers much easier.
There is a huge list of Fi
CodeBurner makes valuable reference material for HTML and CSS available right in your browser.
CodeBurner is a suite of tools for web developers, that provides reference material for HTML and CSS, integrated with a range of popular development environments.
1Install CodeBurner
2Type an HTML element or CSS property in the Search field, or click an item on the page
3View browser compatibility info, syntax, code samples and more
The great power of Ubiquity-from a developer standpoint-is how easy it is to create commands. With only a couple of lines of Javascript, Ubiquity enables even casual web developers to drastically enhance the features of the browser. From an 8-line command to insert a contact's email address in any text field, to a 50-line Twitter integration, this tutorial walks you through the process of being generative with Ubiquity.
This site is dedicated to provide localizations: developers (or their representative) upload their extension(s) using the Web Translation System (WTS), then volunteer translators around the world provide localization for free.