Open Source at Twitter

Working with and contributing to the open source community

Featured Projects

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

Storehaus is a library that makes it easy to work with asynchronous key value stores. Storehaus is built on top of Twitter’s...

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

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

Header Compression for HTTP/2.0

Cascading is a Java application framework that enables typical developers to quickly and easily develop rich Data Analytics and Data...

Abstract algebra for Scala. This code is targeted at building aggregation systems (via Scalding or Storm). It was originally developed...

Twitter Ambrose is a platform for visualization and real-time monitoring of MapReduce data workflows. It presents a global view of all...

Flight is a lightweight, component-based, event-driven JavaScript framework that maps behavior to DOM nodes. It was created at Twitter,...

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