OStatic

As part of Facebook's open source initiative, it has open sourced a core piece of FriendFeed, which it announced it was acquiring only a month ago. Dubbed Tornado Web Server, it's a non-blocking web server and collection of tools written in Python and designed for high levels of scalability. Facebook Director of Products Bret Taylor has a blog post up about it, and says it includes a complete array of site building blocks, including templates, signed cookies, user authentication, localization, aggressive static file caching, cross-site request forgery protection, and third party authentication. There is complete documentation here, and a link for downloading Tornado. Here are more details.