...All bugs should be filed at bugs.kde.org.
KDiff3 is a graphical text difference analyzer for up to 3 input files, provides character-by-character analysis and a text merge tool with integrated editor. It can also compare and merge directories. Platform-independant.
Wiko, the wiki compiler, compiles wiki like files into html and LaTeX, combining easy wiki syntax, your preferred non-web text editor and svn/cvs control to write static webs, cientific articles or even blogs.
Lifecycle Manager allows software engineers to manage all stages in the development lifecycle without losing any knowledge of decisions and changes. This system is a groupware knowledge management system for software development.
Java based screenplay (movie script) editor and colaboration tool with a graphical interface (WYSIWYG) to create and/or edit scripts. Export in XML, PDF, XHTML and other formats. En español.
phpEditMe is a light-weight web-based editor for websites, documentation, and source code. It includes a file manager, a WYSIWYG HTML editor, a backup system, and can (optionally) enforce the formatting of Dreamweaver templates.
XEmacs is a highly customizable text editor and application development system. Its emphasis is on modern graphical user interface support and an open software development model.