A MINA-like, cross-platform C++ network library based on boost::asio
boost::thread (and C++11 threads) extensions, e.g. active object
Multimedia asset management and manipulator for Étoilé
Positional Audio Communication for Minecraft with Mumble
A CLI audio cue file generator which uses the Discogs.com API
An open source interactive disassembler
An easy-to-use thread pool for C++11.
Networking/Socket C++ Library.
Light-weight C++ web application server library
C++ flow-based metaprogramming library
DOM-style C++ API for reading/writing BSON data
3D game engine for C and C++
Open Source BGP Looking-glass
A simple cross platform 4Chan thread downloader.
Open source, moddable game engine for the "Polygon Love 2" game
A simple threads toolkit with a portable interface
A simple C++ socket library used to make socket programming tolerable.