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.

A free program that provides a more modern approach of writing documents with a computer.

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.

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

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.

A free office package for Unix, including word processor, spreadsheet and graphics.

An editor with the finger feel of vi with many extensions and an optional GUI for Athena, Motif, OpenLook and others.

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.