Довольно интересная IDE ezdit is a cross-platform editor written in Tcl/Tk. Features include syntax highlighting, auto-completion, code browsing, auto-indentation, etc. It also support plugins which extend the editor's functionality. http://wiki.tcl.tk/22431
http://code.google.com/p/ezdit/
Сделано загадочным китайцем
http://blog.got7.org/