CodeCommander Homepage
   CodeCommander is a all-purpose editor. Features include find/replace, goto line, syntax highlighting, undo/redo, tear away windows, as well as many other standard editor features.
   http://codecommander.sourceforge.net/

Lyx - The Document Processor
   A free program that provides a more modern approach of writing documents with a computer.
   http://www.lyx.org/

NEdit
   GUI style plain text editor for X Windows Motif systems, including on MacOS X, OS/2, MS Windows. [Open Source, GPL]
   http://www.nedit.org/

QuickHelp - Linux Help Authoring
   QuickHelp is a development tool for quickly creating and distributing online help for Linux applications. QuickHelp consists of a QuickHelp Builder for creating help systems and a QuickHelp Viewer for deploying them to end-users.
   http://www.excelsoftware.com/quickhelplinux.html

Siag Office
   A free office package including word processor, spreadsheet, and graphics animator.
   http://siag.nu/

Sourcepole: Hex Editors
   Links to hex and binary editors available on the web.
   http://sourcepole.com/sources/reviews/hexeds.xml

The Vile Editor
   An editor with the finger feel of vi with many extensions and an optional GUI for Athena, Motif, OpenLook and others.
   http://invisible-island.net/vile/vile.html

VIM
   Vi was one of the original editors, and while difficult to use, loads much faster than, for example, Emacs, and is good for making small changes to files.
   http://www.vim.org/

nano - improved pico editor
   nano is a good editor and a replacement from GNU for the pico editor from washington.edu used with pine. Has both search and replace and mouse support.
   http://nano-editor.org