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.
feedparser is a Python library that parses feeds. It supports the Atom, RDF, RSS, and CDF feed formats.
Serd is a lightweight C library for RDF syntax which supports reading and writing Turtle and NTriples.
An embedded scripting language for C++.
A utility to fetch TV/movie metadata and rename files.