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Mozilla Firefox
[5807 users on Ohloh]
The award-winning Web browser is now faster, more secure, and fully customizable to your online life. With more than 15,000 improvements, Firefox 3 is faster, safer and smarter than ever before.

If you stack this project, you should also stack the Mozilla Core.

Apache HTTP Server
[4163 users on Ohloh]
The Apache HTTP Server Project is a collaborative software development effort aimed at creating a robust, commercial-grade, featureful, and freely-available source code implementation of an HTTP (Web) server. The project is jointly managed by a group of volunteers located around the world, using the Internet and the Web to communicate, plan, and develop the server and its related documentation. This project is part of the Apache Software Foundation. In addition, hundreds of users have contribute...
[2350 users on Ohloh]
Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.
[872 users on Ohloh]
jQuery is a fast, concise, JavaScript library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your Web pages.

It is not a huge, bloated framework promising the best in AJAX, nor is it just a set of needlessly complex enhancements. jQuery is designed to change the way that you write JavaScript.

"You start with 10 lines of jQuery that would have been 20 lines of tedious DOM JavaScript. By the time you are done it's do...

[470 users on Ohloh]
MediaWiki is the collaborative editing software that runs Wikipedia, the free encyclopaedia, and other projects. It's designed to handle a large number of users and pages without imposing too rigid a structure or workflow.
[349 users on Ohloh]
Doxygen is a documentation system for C++, C, Java, Objective-C, Python, IDL (Corba and Microsoft flavors) and to some extent PHP, C#, and D.

Doxygen is developed under Linux and Mac OS X, but is set-up to be highly portable. As a result, it runs on most other Unix flavors as well. Furthermore, executables for Windows are available.

[322 users on Ohloh]
Konqueror is a file manager, web browser and file viewer, which was developed as part of the K Desktop Environment (KDE) by volunteers and runs on most Unix-like operating systems.
Chromium (Google Chrome)
[216 users on Ohloh]
Chromium is the open-source project behind Google Chrome. It builds on components from other open source software projects, including WebKit and Mozilla, and is aimed at improving stability, speed and security with a simple and efficient user interface.
[139 users on Ohloh]
WebKit is an open source web browser engine. WebKit is also the name of the Mac OS X system framework version of the engine that's used by Safari, Dashboard, Mail, and many other OS X applications. WebKit's HTML and JavaScript code began as a branch of the KHTML and KJS libraries from KDE.
[137 users on Ohloh]
jEdit is an Open Source text editor written in Java. It has many useful features, such as syntax highlighting, bracket matching, regular expression searching, multiple file search and replace, folding, and keyboard macros. jEdit also includes a powerful plugin architecture that allows more than 80 plugins to be downloaded and installed from within the editor.
[131 users on Ohloh]
TinyMCE is a platform-independent, Web-based, Javascript HTML WYSIWYG editor control. Its main features include theme/template support, language support, and plugin extensions.
[129 users on Ohloh]
YSlow for Firebug analyzes web pages and tells you why they're slow based on Yahoo's rules for high performance web sites.
[125 users on Ohloh]
Web development software built on Eclipse. Has gotten over 3000 diggs and 1.9 million downloads. Has been called Dreamweaver killer. Has XHTML, CSS, AJAX, Javascript, and FTP support, and many more features. A must have to all web developers!
[117 users on Ohloh]
Epiphany is the web browser for the GNOME desktop. Its goal is to be simple and easy to use. Epiphany ties together many GNOME components in order to let you focus on the Web content, instead of the browser application. As part of the GNOME project, Epiphany is Free Software.

Epiphany is powered by the WebKit engine. In addition, it provides an elegant, responsive and uncomplicated user interface that fits in perfectly with GNOME, and it has been translated to over thirty languages!

[116 users on Ohloh]
DokuWiki is a standards compliant, simple to use Wiki, mainly aimed at creating documentation of any kind. It is targeted at developer teams, workgroups and small companies. It has a simple but powerful syntax which makes sure the datafiles remain readable outside the Wiki and eases the creation of structured texts. All data is stored in plain text files – no database is required.
[100 users on Ohloh]
Dojo is a modular JavaScript toolkit that makes building richer web UI's much easier.

Dojo builds on a fast, lightweight base that provides a competitive set of features (DOM traversal, AJAX, animations, event handling) at the same size as many of the alternative "lightweight" toolkits.

On top of that base Dojo provides easy access to an extensive collection of optional modules, including a widget framework that focuses on accessibility a...

[95 users on Ohloh]
This HTML text editor brings to the web many of the powerful functionalities of desktop editors like MS Word. It's lightweight and doesn't require any kind of installation on the client computer.
[95 users on Ohloh]
PHPEclipse integrates full PHP development support in the Eclipse IDE by providing you with editor, code formatter and checker, debugger support and other features.
[87 users on Ohloh]
HTML Tidy fixes a variety of problems with HTML (e.g. missing and mismatched tags) and puts HTML into a readable, standard format.
Mozilla Core
[71 users on Ohloh]
The core libraries shared by mozilla applications.