RPL/2 (Reverse Polish Lisp/2) is a langage derived from the RPL made by Hewlett-Packard for its HP-28S. It has some extensions (preprocessor, compilated libraries, new functions), a TeX output, and can draw graphics.
A Web-based calendar written in PHP/SQL.
A library of Python/Scipy tools for the design and simulation of ΔΣ modulators.