Repositories list

• communitynotes

  Public

  twitter/communitynotes’s past year of commit activity
  Documentation and source code powering Twitter's Community Notes

  twittercrowdsourcing

  twittercrowdsourcing

  Python

  •

  Apache License 2.0

  •347347 forks•1.9k1.9k stars•6868 issues•2121 pull requests•Updated Aug 20, 2026Aug 20, 2026

• finagle

  Public

  twitter/finagle’s past year of commit activity
  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•5959 issues•66 pull requests•Updated Aug 13, 2026Aug 13, 2026

• twemoji

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

  emojitwemoji

  emojitwemoji

  HTML

  •

  MIT License

  •1.9k1.9k forks•18k18k stars•108108 issues•3535 pull requests•Updated Jul 7, 2026Jul 7, 2026

• x-ads-conversion-api-gtm-template

  Public

  twitter/x-ads-conversion-api-gtm-template’s past year of commit activity
  Smarty

  •

  Apache License 2.0

  •22 forks•11 star•00 issues•00 pull requests•Updated Jun 10, 2026Jun 10, 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

  •843843 forks•3.3k3.3k stars•4141 issues•3030 pull requests•Updated Apr 13, 2026Apr 13, 2026

• 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

  finaglefinatra

  Scala

  •

  Apache License 2.0

  •278278 forks•1.6k1.6k stars•33 issues•11 pull request•Updated Feb 13, 2026Feb 13, 2026

• twitter-cldr-rb

  Public

  twitter/twitter-cldr-rb’s past year of commit activity
  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

  •104104 forks•693693 stars•99 issues•44 pull requests•Updated Dec 18, 2025Dec 18, 2025

• util

  Public

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

  utilityscalafinagle

  utilityscalafinagle

  Scala

  •

  Apache License 2.0

  •571571 forks•2.7k2.7k stars•55 issues•1111 pull requests•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

  •345345 forks•2.3k2.3k stars•7373 issues•4444 pull requests•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

  •13k13k forks•74k74k stars•329329 issues•192192 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

  •403403 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

  •4949 forks•362362 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

  •247247 forks•794794 stars•3434 issues•1212 pull requests•Updated Apr 2, 2025Apr 2, 2025

• bijection

  Public
  Reversible conversions between types

  Scala

  •

  Apache License 2.0

  •120120 forks•656656 stars•3030 issues•2525 pull requests•Updated Nov 22, 2024Nov 22, 2024

• stitch

  Public
  Scala

  •

  Apache License 2.0

  •1414 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

  •155155 forks•617617 stars•4747 issues•2828 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•3232 pull requests•Updated Jul 10, 2024Jul 10, 2024

• cloudhopper-commons

  Public
  Cloudhopper Commons

  Java

  •

  Apache License 2.0

  •7474 forks•6464 stars•22 issues•1717 pull requests•Updated Jul 3, 2024Jul 3, 2024

• metrics

  Public
  Apache License 2.0

  •4141 forks•8080 stars•33 issues•88 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

  •2626 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

  •530530 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

  •326326 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

  •4949 forks•185185 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•149149 issues•4545 pull requests•Updated Mar 29, 2024Mar 29, 2024

• .github

  Public
  Twitter GitHub Organization-wide files

  6666 forks•6666 stars•44 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•1.8k1.8k 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

  •105105 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

  •169169 forks•2k2k stars•4141 issues•1717 pull requests•Updated Oct 11, 2023Oct 11, 2023

• pants

  Public
  Pants Build System

  Python

  •

  Apache License 2.0

  •719719 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