Open Source at Twitter

Working with and contributing to the open source community

Featured Projects

SPDY for iOS and OS X. See our blog post for more information....

fatcache is memcache on SSD. Think of fatcache as a cache for your big data.

A Java library for authenticating HTTP Requests using OAuth.

Summingbird is a library that lets you write MapReduce programs that look like native Scala or Java collection transformations and...

Finagle is an asynchronous network stack for the JVM that you can use to build asynchronous Remote Procedure Call (RPC) clients and...

MySQL is the persistent storage technology behind most Twitter data: the interest graph, timelines, user data and the Tweets themselves...

Inspired by twitter.com’s autocomplete search functionality, typeahead.js is a fast and fully-featured autocomplete library.

Cassovary is a simple big graph processing library for the JVM. Most JVM-hosted graph libraries are flexible but not space efficient....

Bower is a package manager for the web originally created at Twitter and adopted by a large community.

It offers a generic, un-...

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