openFrameworks
OpenFrameworks is the next generation open source, cross platform, c++ library, which was designed by Zachary Lieberman (US).
The library is still unreleased (now in pre-release), but their site is already operational.
While we wait here is a video about openframeworks:
PS: WordPress seems to be hostile to videos that are not in youtube or google videos… so I just guive you the link to the video… :(