Open Source at Twitter

Working with and contributing to the open source community

Featured Projects

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

Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees.

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

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

Twemcache (pronounced “two-em-cache”) is the Twitter Memcached. Twemcache is based on a fork of...

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

Miscellaneous Idiomatic Scala Utilities and wrappers

Zipkin is a distributed tracing system that helps us gather timing data for all the disparate services at Twitter.

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

Code of Conduct

Contributor's License Agreement