The technology behind Tornado, FriendFeed's web server
Today, we are open sourcing the non-blocking web server and the tools that power FriendFeed under the name Tornado Web Server. We are really excited to open source this project as a part of Facebook's open source initiative, and we hope it will be useful to others building real-time web services.
You can download Tornado at tornadoweb.org.
Read more on Brett Taylor's blog (co-founder of FriendFeed)