Serd is a lightweight C library for RDF syntax which supports reading and writing Turtle and NTriples.
feedparser is a Python library that parses feeds. It supports the Atom, RDF, RSS, and CDF feed formats.
listparser is a Python library that parses subscription lists (also called reading lists) and returns all of the feeds, subscription lists, and "opportunity" URLs that it finds. It supports OPML, RDF+FOAF, and the iGoogle exported settings format.
A very small Tetris clone for embedded systems.
A Hibernate session and transaction manager.