Fresh O'Caml is a programming language that provides the features of Objective Caml together with types of names, abstraction expressions, pattern-matching, and some additional utility operations
WideStudio is an open source, Integrated Development Environment for desktop applications purely made in Japan. This enables you to develop GUI applications that can run on Windows95/98/Me/NT/2000/Xp, WindowsCE, Linux, FreeBSD, SOLARIS, MacOSX(w/X11), BTR