Sourcepole: Hex Editors - Links to hex and binary editors available on the web. - http://sourcepole.com/sources/reviews/hexeds.xml
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
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
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/
Siag Office - A free office package including word processor, spreadsheet, and graphics animator. - http://siag.nu/
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/
Lyx - The Document Processor - A free program that provides a more modern approach of writing documents with a computer. - http://www.lyx.org/
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/