Repositories list

• 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•6060 issues•66 pull requests•Updated Apr 14, 2026Apr 14, 2026

• 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

  ospo

  SCSS

  •

  Apache License 2.0

  •836836 forks•3.3k3.3k stars•4141 issues•2929 pull requests•Updated Apr 13, 2026Apr 13, 2026

• 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

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

  •271271 forks•1.6k1.6k stars•33 issues•11 pull request•Updated Feb 13, 2026Feb 13, 2026

• twemoji

  Public

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

  emojitwemoji

  emojitwemoji

  HTML

  •

  MIT License

  •1.9k1.9k forks•18k18k stars•108108 issues•3636 pull requests•Updated Jan 10, 2026Jan 10, 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

  •9999 forks•690690 stars•99 issues•55 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

  •572572 forks•2.7k2.7k stars•55 issues•1010 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

  •348348 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•73k73k stars•319319 issues•191191 pull requests•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+ 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

  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

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

• scrooge

  Public

  twitter/scrooge’s past year of commit activity
  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

  twitter/bijection’s past year of commit activity
  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

  twitter/chill’s past year of commit activity
  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

  twitter/dodo’s past year of commit activity
  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/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+ 6

  nodejsrubyemojijavaunicodetwitterobjective-ctwitter-texttweet

  HTML

  •

  Apache License 2.0

  •528528 forks•3.1k3.1k stars•6767 issues•2626 pull requests•Updated Apr 26, 2024Apr 26, 2024

• hadoop-lzo

  Public

  twitter/hadoop-lzo’s past year of commit activity
  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

  twitter/twemoji-parser’s past year of commit activity
  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

  twitter/twemproxy’s past year of commit activity
  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’s past year of commit activity
  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/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+ 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

  twitter/compose-rules’s past year of commit activity
  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

  twitter/pelikan’s past year of commit activity
  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

  twitter/twurl’s past year of commit activity
  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

  twitter/dict_minimize’s past year of commit activity
  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