GNU is an openly developed and documented operating system. Upward-compatible with Unix, it is much more than a kernel; including compilers, editors, etc.
Online edition of the Chicago Tribune which presents local, national and world news, as well as weather, sports, entertainment, classifieds, and editorials. Provides video clips, blogs, and photos of the day.
FCKeditor is an HTML/DHTML editor for ASP, ASP.NET, ColdFusion, PHP, and JavaScript; brings to the web much of the powerful functionality of known desktop editors like Word.
jEdit is an open source text editor; has many useful features, such as syntax highlighting, bracket matching, regular expression searching, multiple file search and replace, folding, and keyboard macros.
TinyMCE is a platform-independent, web-based, WYSIWYG editor control; features include theme/template support, language support, and plugin extensions.