MyPatients is a medical records database that uses
OpenOffice.org Base and MySQL. It is based on a
Greek translation of ICD10 for its coding, and
could easily be ported to English if an English
version of the ICD10 database was available.
Transie is a CAT (computer-aided translation) text editor for translators. It works on Linux with Qt and KDE. It is developed in Gambas BASIC and it's easy to customize and extend.
A fast C++ matrix library with optional interfaces to LAPACK and ATLAS.
EDSL for SQL in modern C++.