A free, portable, fast and simple C/C++ IDE
A new and improved fork of Bloodshed Dev-C++
Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites.
win32caml is a part of the ocaml 3.06 distribution written by Jacob NAVIA and INRIA and only compile with VC++. This distrubution allows you compile it with win32 gcc ports (MinGW, Cygwin, ...). Also I think to create a full functional IDE over this.