Repositories list

• communitynotes

  Public
  Documentation and source code powering Twitter's Community Notes

  twittercrowdsourcing

  Python

  •

  Apache License 2.0

  •293•1.8k•44•16•Updated Dec 16, 2025Dec 16, 2025

• finagle

  Public

  twitter/finagle’s past year of commit activity
  A fault tolerant, protocol-agnostic RPC system

  mysqljavaredis+ 9httpmemcacheddistributed-systemsscalahttp2thriftrpc+ 2

  Scala

  •

  Apache License 2.0

  •1.5k•8.9k•60•7•Updated Dec 16, 2025Dec 16, 2025

• util

  Public

  twitter/util’s past year of commit activity
  Wonderful reusable code from Twitter

  utilityscalafinagle

  Scala

  •

  Apache License 2.0

  •578•2.7k•5•10•Updated Dec 8, 2025Dec 8, 2025

• algebird

  Public

  twitter/algebird’s past year of commit activity
  Abstract Algebra for Scala

  Scala

  •

  Apache License 2.0

  •351•2.3k•73•44•Updated Nov 21, 2025Nov 21, 2025

• the-algorithm

  Public

  twitter/the-algorithm’s past year of commit activity
  Source code for the X Recommendation Algorithm

  Scala

  •

  GNU Affero General Public License v3.0

  •13k•68k•298•185•Updated Sep 8, 2025Sep 8, 2025

• finatra

  Public

  twitter/finatra’s past year of commit activity
  Fast, testable, Scala services built on TwitterServer and Finagle

  testinghttpmicroservices+ 7frameworkscalaslf4jthriftfinagleguicetwitter-server

  Scala

  •

  Apache License 2.0

  •404•2.3k•16•5•Updated Aug 18, 2025Aug 18, 2025

• opensource-website

  Public

  twitter/opensource-website’s past year of commit activity
  Twitter's open source website, identifying projects we've released, organizations we support, and the work we do to support open source.

  ospo

  SCSS

  •

  Apache License 2.0

  •824•3.2k•41•28•Updated Aug 4, 2025Aug 4, 2025

• twitter-server

  Public

  twitter/twitter-server’s past year of commit activity
  Twitter-Server defines a template from which services at Twitter are built

  finaglefinatra

  Scala

  •

  Apache License 2.0

  •266•1.6k•3•1•Updated Jul 16, 2025Jul 16, 2025

• scoot

  Public

  twitter/scoot’s past year of commit activity
  Scoot is a distributed task runner, supporting both a proprietary API and Bazel's Remote Execution.

  Go

  •

  Apache License 2.0

  •47•362•5•4•Updated Jun 19, 2025Jun 19, 2025

• scrooge

  Public

  twitter/scrooge’s past year of commit activity
  A Thrift parser/generator

  androidjavascala+ 5luathriftcocoacode-generationfinagle

  Scala

  •

  Apache License 2.0

  •246•799•34•11•Updated Apr 2, 2025Apr 2, 2025

• twitter-cldr-rb

  Public
  Ruby implementation of the ICU (International Components for Unicode) that uses the Common Locale Data Repository to format dates, plurals, and more.

  Ruby

  •

  Apache License 2.0

  •98•688•8•5•Updated Feb 21, 2025Feb 21, 2025

• bijection

  Public
  Reversible conversions between types

  Scala

  •

  Apache License 2.0

  •124•658•30•25•Updated Nov 22, 2024Nov 22, 2024

• stitch

  Public

  twitter/stitch’s past year of commit activity
  Scala

  •

  Apache License 2.0

  •13•117•0•4•Updated Nov 7, 2024Nov 7, 2024

• chill

  Public

  twitter/chill’s past year of commit activity
  Scala extensions for the Kryo serialization library

  Scala

  •

  Apache License 2.0

  •153•618•47•29•Updated Aug 19, 2024Aug 19, 2024

• twemoji

  Public

  twitter/twemoji’s past year of commit activity
  Emoji for everyone. https://twemoji.twitter.com/

  emojitwemoji

  HTML

  •

  MIT License

  •1.9k•17k•100•24•Updated Aug 16, 2024Aug 16, 2024

• the-algorithm-ml

  Public
  Source code for Twitter's Recommendation Algorithm

  Python

  •

  GNU Affero General Public License v3.0

  •2.2k•10k•20•34•Updated Jul 10, 2024Jul 10, 2024

• cloudhopper-commons

  Public
  Cloudhopper Commons

  Java

  •

  Apache License 2.0

  •73•63•2•18•Updated Jul 3, 2024Jul 3, 2024

• metrics

  Public

  twitter/metrics’s past year of commit activity
  Apache License 2.0

  •40•81•3•10•Updated May 27, 2024May 27, 2024

• dodo

  Public

  twitter/dodo’s past year of commit activity
  The Twitter OSS Project Builder

  sbtutilfinagle+ 5scroogetwitter-serverfinatratwitter-ossostrich

  Shell

  •

  Apache License 2.0

  •25•40•0•1•Updated May 7, 2024May 7, 2024

• twitter-text

  Public

  twitter/twitter-text’s past year of commit activity
  Twitter Text Libraries. This code is used at Twitter to tokenize and parse text to meet the expectations for what can be used on the platform.

  nodejsrubyemoji+ 6javaunicodetwitterobjective-ctwitter-texttweet

  HTML

  •

  Apache License 2.0

  •528•3.1k•66•26•Updated Apr 26, 2024Apr 26, 2024

• hadoop-lzo

  Public
  Refactored version of code.google.com/hadoop-gpl-compression for hadoop 0.20

  Shell

  •

  GNU General Public License v3.0

  •326•553•25•19•Updated Apr 24, 2024Apr 24, 2024

• twemoji-parser

  Public
  A simple library for identifying emoji entities within a string in order to render them as Twemoji.

  Scala

  •

  MIT License

  •48•175•7•18•Updated Apr 22, 2024Apr 22, 2024

• twemproxy

  Public

  twitter/twemproxy’s past year of commit activity
  A fast, light-weight proxy for memcached and redis

  C

  •

  Apache License 2.0

  •2k•12k•146•45•Updated Mar 29, 2024Mar 29, 2024

• .github

  Public
  Twitter GitHub Organization-wide files

  60•62•3•13•Updated Feb 9, 2024Feb 9, 2024

• ios-twitter-image-pipeline

  Public

  twitter/ios-twitter-image-pipeline’s past year of commit activity
  Twitter Image Pipeline is a robust and performant image loading and caching framework for iOS clients

  swiftiostwitter+ 3objective-ccacheimage-pipeline

  C

  •

  Apache License 2.0

  •108•1.9k•6•1•Updated Jan 26, 2024Jan 26, 2024

• compose-rules

  Public
  Static checks to aid with a healthy adoption of Compose

  androidstatic-code-analysisktlint+ 1jetpack-compose

  Kotlin

  •

  Other

  •99•1.4k•10•3•Updated Dec 30, 2023Dec 30, 2023

• pelikan

  Public

  twitter/pelikan’s past year of commit activity
  Pelikan is Twitter's unified cache backend

  C

  •

  Apache License 2.0

  •171•2k•41•18•Updated Oct 11, 2023Oct 11, 2023

• pants

  Public
  Pants Build System

  Python

  •

  Apache License 2.0

  •682•88•0•37•Updated Aug 5, 2023Aug 5, 2023

• twurl

  Public

  twitter/twurl’s past year of commit activity
  OAuth-enabled curl for the Twitter API

  rubyclitwitter+ 3twitter-apicurltwurl

  Ruby

  •

  MIT License

  •295•1.8k•11•3•Updated Jul 20, 2023Jul 20, 2023

• dict_minimize

  Public

  twitter/dict_minimize’s past year of commit activity
  Access scipy optimizers from your favorite deep learning framework.

  scipyscipy-stack

  Python

  •

  Apache License 2.0

  •19•80•0•5•Updated Jun 30, 2023Jun 30, 2023