Open Source at Twitter

Working with and contributing to the open source community

Open Source Projects
Twitter engineers use, contribute to and release a lot of open source software. We are thankful to work with a variety of projects and communities.
Community
Twitter supports a number of open source organizations and communities with contributions or official membership.
Contributors
We are thankful to everyone who has contributed to our projects.

Featured Projects

hadoop

The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of...

Finagle

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

Parquet

Parquet is a columnar storage format that supports nested data. Parquet metadata is encoded using Apache Thrift. We created Parquet to...

Aurora

Aurora is a scheduler that provides all of the primitives necessary to quickly deploy and scale stateless and fault tolerant services in...

bootstrap

A sleek, intuitive and powerful mobile first front-end framework for faster and easier web development. Since...

Cassovary

Cassovary is a simple big graph processing library for the JVM. Most JVM-hosted graph libraries are flexible but not space efficient....

Storehaus

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

Bower

Bower is a package manager for the web originally created at Twitter and adopted by a large community.

It offers a generic, un-...

hRaven

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

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Featured Contributors

Andreas Savvides
Andreas Savvides
@andrs
Zameer Manji
Zameer Manji
@zmanji
Ruben Oanta
Ruben Oanta
@rubeydoo
Maysam Yabandeh
Maysam Yabandeh
@MaysamYabandeh
@lahosken
@lahosken
@lahosken
Jerry Xu
Jerry Xu
@jerryxu
Ryan LeCompte
Ryan LeCompte
@ryanlecompte
Jon Schlinkert
Jon Schlinkert
@jonschlinkert
Stephan Zuercher
Stephan Zuercher
@zuercher
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Code of Conduct

Our Open Source Code of Conduct reflects the standards we hold ourselves within our open source projects and the communities we work with.
Learn More

Contributor's License Agreement

For certain Twitter open-source projects, Twitter requires you or your employer accept and submit a Contributors License Agreement (CLA) with Twitter. In order to address the intellectual property license granted with contributions, Twitter must have a CLA on file that has been submitted by each contributor. The CLA is designed for your protection as a contributor; it does not change your ownership of your contributions. By accepting the CLA, you represent that you have the rights needed to grant Twitter a license to the code.
Submit CLA
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