This C++ library supplies an interface between the fonts on your system and an OpenGL or Mesa application. It uses the excellent FreeType library to read font faces from their files and renders text strings as OpenGL primitives.
CSpec is a Behavior-driven Development framework for C. It provides a spec framework for describing the behavior of the functions of your system. The syntax is inspired from RSpec to be as legible as possible. The source code is as portable and as light as possible to make it easy to run the library on embedded devices.
an easily customizable and extensible open source tool that will automatically, or semi-automatically, generate unit tests for legacy systems written in Python.
pHash is an open source library released under the GPLv3 license that implements several perceptual hashing algorithms and provides a C++ API to use those functions in your own programs.