Back in April, WiX code was released to Sourceforge under the shared source initiative.

Today, I saw that Windows Template Library (WTL) is now part of Microsoft's Shared Source initiative, which will allow people external to Microsoft to contribute to WTLWTL picks up where ATL leaves off and adds a bunch of useful things for doing GUI stuff on Windows in C++. 

I remember I was involved in a firedrill a year ago when there was speculation that this was going to happen, based on a post in a newsgroup. I got a call from our PR team on a public holiday, while I was out with my family. Ahhhh memories....