As a Computer Engineer, I pretty regularly find myself writing useful bits of code. I post the more general/useful ones here.

CCSVLIB
A library for reading, manipulating, and writing comma-separated-values files. The library is written in C and presents a small, simple API. Released under the BSD license.
CCSVLIB-20130307.tgz

KOAP
A preprocessor for generating OpenCL API calls in C. Released by Aggregate.org as public domain.
http://aggregate.org/KOAP/