‡biblios.net: open source community cataloging gets busy

There is a post in Librarianinblack.net concerning Biblios.net which is "a web-based original and copy cataloging tool with built in federated search of any Z39.50 target (via an integrated search registry with over 2000 targets - or by adding your own) and a large (30 million strong) shared database of catalog records." Check it out.