A full office productivity suite
Number to number name and money text conversion libraries
Import filter for old StarOffice documents
C++ client library for the CMIS interface
Standalone file import filter library for spreadsheet documents
General purpose formula parser & interpreter
C++ engine for simulating rigid bodies in 2D games
A quick and light preprocessor, but anyway fully compliant to C99
COIN-OR lightweight API for COIN-OR libraries CLP, CBC, and CGL