MSLK provides the precompiled Win32 binaries of some excellent porject with a GPL or similar open source license. Here will keep updated.
Binary Ready Emacs Tools (bretools) is a set of emacs versions and tools for MS Windows (NT/200/XP), ranging from stable Emacs packages properly configured to external programs used inside Emacs (cvs, diff, etc).
osi: Examples for creating software written in C++ that uses GTK+2.0 (Win32 and Linux). Build environment: GNU autotools with g++; MSVC --- boolmin: A Boolean Minimizer for Win32, Linux, UNIX --- emacs: XEmacs extensions designed to work on many machines
Winmacs is no official Emacs distribution (version 22.x),it's just a set of precompiled(using MSVC) w32-binaries and a installer(packaged with NSIS) for windows.
The "Lib45" string search library provides routines that generate fast string searching code at run-time. The library is written in Assembly language for Intel 32bit CPUs.
Lojread is a project designed to aid in the learning of the conlang, lojban. It assists the student in reading the lojban language in such a way that they can build their vocabulary and structural understanding.