Programable / scriptable CAD software

WPF docking library

Wrapper for AvalonDock

ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for constructing recognizers, interpreters, compilers, and translators from grammatical descriptions containing actions in a variety of target languages.

GPSBabel lets you move data between popular GPS systems such as those from Garmin, Magellan or a large number of map programs.

GPGee is a shell extension for Windows explorer that acts as an assistant for using PGP. It integrates itself into the context menu that appears when you right-click on a file and adds a new menu with functions to allow you to sign and/or encrypt files.