Open Source at Twitter

Working with and contributing to the open source community

Featured Projects

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.

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

Apache Mesos is a cluster manager that provides efficient resource isolation and sharing across distributed applications, or frameworks...

A Bijection is an invertible function that converts back and forth between two types, with the contract that a round-trip through the...

hRaven collects run time data and statistics from map reduce jobs running on Hadoop clusters and stores the collected job history in an...

Hogan.js is a compiler for the Mustache templating language

Scala extensions for the Storm distributed computation system. Tormenta adds a type-safe wrapper over Storm’s Kafka and Kestrel...

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

Code of Conduct

Contributor's License Agreement