Repositories list

• finagle

  Public
  A fault tolerant, protocol-agnostic RPC system

  mysqljavaredis+ 9

  mysqljavaredishttpmemcacheddistributed-systemsscalahttp2thriftrpc+ 2

  Scala

  •

  Apache License 2.0

  •1.4k1.4k forks•8.9k8.9k stars•6060 issues•66 pull requests•Updated Apr 14, 2026Apr 14, 2026

• opensource-website

  Public
  Twitter's open source website, identifying projects we've released, organizations we support, and the work we do to support open source.

  ospo

  ospo

  SCSS

  •

  Apache License 2.0

  •837837 forks•3.3k3.3k stars•4141 issues•2929 pull requests•Updated Apr 13, 2026Apr 13, 2026

• communitynotes

  Public
  Documentation and source code powering Twitter's Community Notes

  twittercrowdsourcing

  twittercrowdsourcing

  Python

  •

  Apache License 2.0

  •324324 forks•1.8k1.8k stars•6262 issues•1818 pull requests•Updated Mar 27, 2026Mar 27, 2026

• twitter-server

  Public
  Twitter-Server defines a template from which services at Twitter are built

  finaglefinatra

  finaglefinatra

  Scala

  •

  Apache License 2.0

  •270270 forks•1.6k1.6k stars•33 issues•11 pull request•Updated Feb 13, 2026Feb 13, 2026

• twemoji

  Public
  Emoji for everyone. https://twemoji.twitter.com/

  emojitwemoji

  emojitwemoji

  HTML

  •

  MIT License

  •1.9k1.9k forks•18k18k stars•107107 issues•3636 pull requests•Updated Jan 10, 2026Jan 10, 2026

• 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

  •9999 forks•690690 stars•99 issues•55 pull requests•Updated Dec 18, 2025Dec 18, 2025

• util

  Public
  Wonderful reusable code from Twitter

  utilityscalafinagle

  utilityscalafinagle

  Scala

  •

  Apache License 2.0

  •572572 forks•2.7k2.7k stars•55 issues•1010 pull requests•Updated Dec 8, 2025Dec 8, 2025

• algebird

  Public
  Abstract Algebra for Scala

  Scala

  •

  Apache License 2.0

  •348348 forks•2.3k2.3k stars•7373 issues•4444 pull requests•Updated Nov 21, 2025Nov 21, 2025

• the-algorithm

  Public
  Source code for the X Recommendation Algorithm

  Scala

  •

  GNU Affero General Public License v3.0

  •13k13k forks•73k73k stars•319319 issues•191191 pull requests•Updated Sep 8, 2025Sep 8, 2025

• finatra

  Public
  Fast, testable, Scala services built on TwitterServer and Finagle

  testinghttpmicroservices+ 7

  testinghttpmicroservicesframeworkscalaslf4jthriftfinagleguicetwitter-server

  Scala

  •

  Apache License 2.0

  •404404 forks•2.3k2.3k stars•1616 issues•66 pull requests•Updated Aug 18, 2025Aug 18, 2025

• scoot

  Public
  Scoot is a distributed task runner, supporting both a proprietary API and Bazel's Remote Execution.

  Go

  •

  Apache License 2.0

  •4848 forks•364364 stars•55 issues•44 pull requests•Updated Jun 19, 2025Jun 19, 2025

• scrooge

  Public
  A Thrift parser/generator

  androidjavascala+ 5

  androidjavascalaluathriftcocoacode-generationfinagle

  Scala

  •

  Apache License 2.0

  •248248 forks•797797 stars•3434 issues•1212 pull requests•Updated Apr 2, 2025Apr 2, 2025

• bijection

  Public
  Reversible conversions between types

  Scala

  •

  Apache License 2.0

  •122122 forks•656656 stars•3030 issues•2525 pull requests•Updated Nov 22, 2024Nov 22, 2024

• stitch

  Public
  Scala

  •

  Apache License 2.0

  •1313 forks•117117 stars•00 issues•44 pull requests•Updated Nov 7, 2024Nov 7, 2024

• chill

  Public
  Scala extensions for the Kryo serialization library

  Scala

  •

  Apache License 2.0

  •154154 forks•620620 stars•4747 issues•2929 pull requests•Updated Aug 19, 2024Aug 19, 2024

• the-algorithm-ml

  Public
  Source code for Twitter's Recommendation Algorithm

  Python

  •

  GNU Affero General Public License v3.0

  •2.2k2.2k forks•11k11k stars•2020 issues•3333 pull requests•Updated Jul 10, 2024Jul 10, 2024

• cloudhopper-commons

  Public
  Cloudhopper Commons

  Java

  •

  Apache License 2.0

  •7474 forks•6363 stars•22 issues•1717 pull requests•Updated Jul 3, 2024Jul 3, 2024

• metrics

  Public
  Apache License 2.0

  •4141 forks•8080 stars•33 issues•99 pull requests•Updated May 27, 2024May 27, 2024

• dodo

  Public
  The Twitter OSS Project Builder

  sbtutilfinagle+ 5

  sbtutilfinaglescroogetwitter-serverfinatratwitter-ossostrich

  Shell

  •

  Apache License 2.0

  •2525 forks•4040 stars•00 issues•11 pull request•Updated May 7, 2024May 7, 2024

• twitter-text

  Public
  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+ 6

  nodejsrubyemojijavaunicodetwitterobjective-ctwitter-texttweet

  HTML

  •

  Apache License 2.0

  •527527 forks•3.1k3.1k stars•6767 issues•2626 pull requests•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

  •327327 forks•549549 stars•2525 issues•1919 pull requests•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

  •4747 forks•183183 stars•77 issues•1818 pull requests•Updated Apr 22, 2024Apr 22, 2024

• twemproxy

  Public
  A fast, light-weight proxy for memcached and redis

  C

  •

  Apache License 2.0

  •2k2k forks•12k12k stars•148148 issues•4545 pull requests•Updated Mar 29, 2024Mar 29, 2024

• .github

  Public
  Twitter GitHub Organization-wide files

  6464 forks•6464 stars•33 issues•1212 pull requests•Updated Feb 9, 2024Feb 9, 2024

• ios-twitter-image-pipeline

  Public
  Twitter Image Pipeline is a robust and performant image loading and caching framework for iOS clients

  swiftiostwitter+ 3

  swiftiostwitterobjective-ccacheimage-pipeline

  C

  •

  Apache License 2.0

  •107107 forks•1.9k1.9k stars•66 issues•11 pull request•Updated Jan 26, 2024Jan 26, 2024

• compose-rules

  Public
  Static checks to aid with a healthy adoption of Compose

  androidstatic-code-analysisktlint+ 1

  androidstatic-code-analysisktlintjetpack-compose

  Kotlin

  •

  Other

  •102102 forks•1.4k1.4k stars•1010 issues•33 pull requests•Updated Dec 30, 2023Dec 30, 2023

• pelikan

  Public
  Pelikan is Twitter's unified cache backend

  C

  •

  Apache License 2.0

  •168168 forks•2k2k stars•4141 issues•1818 pull requests•Updated Oct 11, 2023Oct 11, 2023

• pants

  Public
  Pants Build System

  Python

  •

  Apache License 2.0

  •696696 forks•8787 stars•00 issues•3737 pull requests•Updated Aug 5, 2023Aug 5, 2023

• twurl

  Public
  OAuth-enabled curl for the Twitter API

  rubyclitwitter+ 3

  rubyclitwittertwitter-apicurltwurl

  Ruby

  •

  MIT License

  •296296 forks•1.8k1.8k stars•1111 issues•33 pull requests•Updated Jul 20, 2023Jul 20, 2023

• dict_minimize

  Public
  Access scipy optimizers from your favorite deep learning framework.

  scipyscipy-stack

  scipyscipy-stack

  Python

  •

  Apache License 2.0

  •2020 forks•7979 stars•00 issues•55 pull requests•Updated Jun 30, 2023Jun 30, 2023