Open Source at Twitter

Working with and contributing to the open source community

Featured Projects

Scalding is a Scala library that makes it easy to specify Hadoop MapReduce jobs. Scalding is built on top of Cascading, a Java library...

Pants is a build system for software projects in a variety of languages. It works particularly well for a single source code repository...

The gem will automatically apply several headers that are related to security. This includes: * Content Security Policy (CSP) - Helps...

A Ruby implementation of the ICU (International Components for Unicode) that uses the Common...

Libcrunch is a lightweight mapping framework that maps data objects to a number of nodes, subject to user-specified constraints.

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Scala School started as a series of lectures at Twitter to prepare experienced...

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

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

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

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