no-herd marienz@gentoo.org Marien Zwart Xapian is an Open Source Probabilistic Information Retrieval library, released under the GPL. It's written in C++, with bindings to allow use from Perl, Python, PHP, Java, TCL, C#, and Ruby (so far!) Xapian is designed to be a highly adaptable toolkit to allow developers to easily add advanced indexing and search facilities to their own applications.