PUBLIC MARKS with tags tool & source

phpMyFAQ is a scalable open source FAQ software using PHP and available for many databases.

Brackets is an open-source editor for web design and development built on top of web technologies such as HTML, CSS and JavaScript. The project was created and is maintained by Adobe, and is released under an MIT License.

Code::Blocks is a free C IDE built to meet the most demanding needs of its users. It is designed to be very extensible and fully configurable. Finally, an IDE with all the features you need, having a consistent look, feel and operation across platforms. Built around a plugin framework, Code::Blocks can be extended with plugins. Any kind of functionality can be added by installing/coding a plugin. For instance, compiling and debugging functionality is already provided by plugins!

poEdit is cross-platform gettext catalogs (.po files) editor. It is built with wxWidgets toolkit and can run on any platform supported by it (although it was only tested on Unix with GTK and Windows). It aims to provide more convenient approach to editin

Spike PHPCheckstyle is an open-source tool that helps PHP programmers adhere to certain coding conventions. The tools checks the input PHP source code and reports any deviations from the coding convention.

WINMERGE - Free File Comparison Utility (Compare differences between 2 or more files)