FXiTe is an advanced cross-platform text editor built with the Fox GUI toolkit and the FXScintilla text widget. It features built-in syntax highlighting for 40+ languages, an embedded Lua scripting engine, macro recording and playback, multi-line regular expression search and replace, rudimentary ctags and calltip support, a flexible interface to external tools, and a built-in "message window" to capture the output of external commands such as compiler error messages, etc.
rospell is a UTF-8 text editor for programmers and general use. It features syntax highlighting, a code beautifier for C and C++, and support for gdb, ctags, grep, diff, and merge. It includes spellers for English, French, German, Spanish, and Romanian languages. Romanian aspell and hunspell dictionaries are also available.
MoonEdit is a collaborative text editor which allows many users over the Internet to edit the same document simultaneously. Every user can modify documents at any place or time, without restriction. You can watch other people's cursor movements in real time as they make changes. Each user writes text in their own color so you can easily tell who wrote what. Also included are a few bells and whistles, such as simulating the typing sound of a keyboard (so you know when others are making changes), an in-line equation evaluator (so you don't need to open a separate window for a calculator), and even a rudimentary music sequencer.
U++ is a C++ cross-platform rapid application development suite focused on programmers' productivity without sacrificing runtime performance. Based on strictly deterministic design, it provides a viable alternative to garbage-collected platforms, even for business logic oriented problems.
TEA is a powerful and easy-to-use Qt4-based editor with many useful features for HTML, Docbook, and LaTeX editing. It features a small footprint, a tabbed layout engine, support for multiple encodings, code snippets, templates, customizable hotkeys, an "open at cursor" function for HTML files and images, miscellaneous HTML tools, preview in external browser, string manipulation functions, Morse-code tools, bookmarks, syntax highlighting, and more.
TextMaker is a word processor that launches quickly, needs little memory, does not require complicated setup, and has the full feature set of a modern high-end word processor. It reads and writes Microsoft Word 6/95/97/2000/XP, and Word 2003 files, and is available for Linux, Sharp Zaurus, and FreeBSD.