PyLucene is a Python extension for accessing Java Lucene from Python. Its goal is to allow use of Lucene's text indexing and searching capabilities from Python. It is designed to be API compatible with the latest version of Java Lucene.
PyICU is a Python extension wrapping IBM's
International Components for Unicode C++ library
A tool for securing DNS communications between a client and a DNS resolver.
A polyhedral extraction tool (PET).