Simon Willison’s Weblog

Eventlet—Second Life Wiki. Seriously powerful non-blocking IO library for Python, currently maintained by Linden Lab as part of the server architecture used for Second Life. 26th November 2007, 3:21 pm

skipdb (via) Small, fast BerkeleyDB style database using skip lists, by the creator of the Io programming language. 4th February 2007, 1:09 pm