hr ("High Resolution") is a small command-line utility to calculate possible elemental compositions for a given mass. It allows to run calculations interactively, in batch mode, via the command line, or (using a webserver) via a web interface.
Webio is a small-footprint web server, designed for embedding in an application or an embedded system. It includes a tool for generating embedded SSI and CGI routines, and a detailed programmers manual.
cwick is a collaboration & content management package based heavily on usemod wiki. It features wiki-style editing, weblogs, and css support. It is small and very fast. Visit http://cwick.sourceforge.net for more information.