NetPlug is an extensible multi-connections, multi-protocol, network client program, written in pure Tcl/Tk. Includes a complete Irc client plug in that you should love if you like IrcII 'classic' look & feel (plus customizable style/colors scheme, sound,... Now includes full DCC support (with GUI), ircII like aliases and improved scripting (Tcl!), keywords (your nick...) highlighting, and more
FTE is a text editor for X-Windows and console with I18N support. It features color syntax highlighting for C/C++, HTML, PERL, TEX, and many more, multiple file/window editing, column blocks, configurable menus and keyboard bindings, mouse support, undo/redo, regular expression search and replace, folding, as well as background compiler execution.