Open Source at Twitter

Working with and contributing to the open source community

Featured Projects

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

A fast, light-weight proxy for memcached and redis

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

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

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

Twitter’s guide to Effective Scala programming.

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

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

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

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