Here are some projects which are either incomplete or just not big enough to put on the top bar.
Yet another dysfunctional MPlayer clone. Utilizes FFmpeg/libavcodec and libass to create a very stripped down media player. Somewhat useful for anime viewing since it supports ASS fonts, but that's about it. It's written entirely in C++11 and weighs in at about 2-3 kSLOC.
Attempt to implement a small subset of DirectSound which utilizes RSound. It is quite incompatible, but it works fine with popular applications such as:
Copyright (C) Hans-Kristian Arntzen - 2011