A cross-platform library that gives apps easy access to USB devices
Single sided linked list (kind of lib with test-code, C, C++ and java)
User mode C/C++ extended API library for Win32 programmers.
A small C library for building user interfaces with C, XML and CSS
A cross-platform protocol library to communicate with iOS devices
LabVIEW VIs for ZLib compression and Base64/binhex encoding
PHP bindings for the cross-platform GUI library wxWidgets.
c/c++ debug-mutex library