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    • finagle

      Public
      A fault tolerant, protocol-agnostic RPC system
      Scala
      β€’
      Apache License 2.0
      β€’1.4kβ€’8.9kβ€’60β€’6β€’Updated Apr 14, 2026Apr 14, 2026
    • Twitter's open source website, identifying projects we've released, organizations we support, and the work we do to support open source.
      SCSS
      β€’
      Apache License 2.0
      β€’837β€’3.3kβ€’41β€’29β€’Updated Apr 13, 2026Apr 13, 2026
    • Documentation and source code powering Twitter's Community Notes
      Python
      β€’
      Apache License 2.0
      β€’324β€’1.8kβ€’62β€’18β€’Updated Mar 27, 2026Mar 27, 2026
    • Twitter-Server defines a template from which services at Twitter are built
      Scala
      β€’
      Apache License 2.0
      β€’270β€’1.6kβ€’3β€’1β€’Updated Feb 13, 2026Feb 13, 2026
    • twemoji

      Public
      Emoji for everyone. https://twemoji.twitter.com/
      HTML
      β€’
      MIT License
      β€’1.9kβ€’18kβ€’107β€’36β€’Updated Jan 10, 2026Jan 10, 2026
    • Ruby implementation of the ICU (International Components for Unicode) that uses the Common Locale Data Repository to format dates, plurals, and more.
      Ruby
      β€’
      Apache License 2.0
      β€’99β€’690β€’9β€’5β€’Updated Dec 18, 2025Dec 18, 2025
    • util

      Public
      Wonderful reusable code from Twitter
      Scala
      β€’
      Apache License 2.0
      β€’572β€’2.7kβ€’5β€’10β€’Updated Dec 8, 2025Dec 8, 2025
    • algebird

      Public
      Abstract Algebra for Scala
      Scala
      β€’
      Apache License 2.0
      β€’348β€’2.3kβ€’73β€’44β€’Updated Nov 21, 2025Nov 21, 2025
    • Source code for the X Recommendation Algorithm
      Scala
      β€’
      GNU Affero General Public License v3.0
      β€’13kβ€’73kβ€’319β€’191β€’Updated Sep 8, 2025Sep 8, 2025
    • finatra

      Public
      Fast, testable, Scala services built on TwitterServer and Finagle
      Scala
      β€’
      Apache License 2.0
      β€’404β€’2.3kβ€’16β€’6β€’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
      β€’
      Apache License 2.0
      β€’48β€’364β€’5β€’4β€’Updated Jun 19, 2025Jun 19, 2025
    • scrooge

      Public
      A Thrift parser/generator
      Scala
      β€’
      Apache License 2.0
      β€’248β€’797β€’34β€’12β€’Updated Apr 2, 2025Apr 2, 2025
    • bijection

      Public
      Reversible conversions between types
      Scala
      β€’
      Apache License 2.0
      β€’122β€’656β€’30β€’25β€’Updated Nov 22, 2024Nov 22, 2024
    • stitch

      Public
      Scala
      β€’
      Apache License 2.0
      β€’13β€’117β€’0β€’4β€’Updated Nov 7, 2024Nov 7, 2024
    • chill

      Public
      Scala extensions for the Kryo serialization library
      Scala
      β€’
      Apache License 2.0
      β€’154β€’620β€’47β€’29β€’Updated Aug 19, 2024Aug 19, 2024
    • Source code for Twitter's Recommendation Algorithm
      Python
      β€’
      GNU Affero General Public License v3.0
      β€’2.2kβ€’11kβ€’20β€’33β€’Updated Jul 10, 2024Jul 10, 2024
    • Cloudhopper Commons
      Java
      β€’
      Apache License 2.0
      β€’74β€’63β€’2β€’17β€’Updated Jul 3, 2024Jul 3, 2024
    • metrics

      Public
      Apache License 2.0
      β€’41β€’80β€’3β€’9β€’Updated May 27, 2024May 27, 2024
    • dodo

      Public
      The Twitter OSS Project Builder
      Shell
      β€’
      Apache License 2.0
      β€’25β€’40β€’0β€’1β€’Updated May 7, 2024May 7, 2024
    • 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.
      HTML
      β€’
      Apache License 2.0
      β€’527β€’3.1kβ€’67β€’26β€’Updated Apr 26, 2024Apr 26, 2024
    • Refactored version of code.google.com/hadoop-gpl-compression for hadoop 0.20
      Shell
      β€’
      GNU General Public License v3.0
      β€’327β€’549β€’25β€’19β€’Updated Apr 24, 2024Apr 24, 2024
    • A simple library for identifying emoji entities within a string in order to render them as Twemoji.
      Scala
      β€’
      MIT License
      β€’47β€’183β€’7β€’18β€’Updated Apr 22, 2024Apr 22, 2024
    • twemproxy

      Public
      A fast, light-weight proxy for memcached and redis
      C
      β€’
      Apache License 2.0
      β€’2kβ€’12kβ€’148β€’45β€’Updated Mar 29, 2024Mar 29, 2024
    • .github

      Public
      Twitter GitHub Organization-wide files
      64β€’64β€’3β€’12β€’Updated Feb 9, 2024Feb 9, 2024
    • Twitter Image Pipeline is a robust and performant image loading and caching framework for iOS clients
      C
      β€’
      Apache License 2.0
      β€’107β€’1.9kβ€’6β€’1β€’Updated Jan 26, 2024Jan 26, 2024
    • Static checks to aid with a healthy adoption of Compose
      Kotlin
      β€’
      Other
      β€’102β€’1.4kβ€’10β€’3β€’Updated Dec 30, 2023Dec 30, 2023
    • pelikan

      Public
      Pelikan is Twitter's unified cache backend
      C
      β€’
      Apache License 2.0
      β€’168β€’2kβ€’41β€’18β€’Updated Oct 11, 2023Oct 11, 2023
    • pants

      Public
      Pants Build System
      Python
      β€’
      Apache License 2.0
      β€’696β€’87β€’0β€’37β€’Updated Aug 5, 2023Aug 5, 2023
    • twurl

      Public
      OAuth-enabled curl for the Twitter API
      Ruby
      β€’
      MIT License
      β€’296β€’1.8kβ€’11β€’3β€’Updated Jul 20, 2023Jul 20, 2023
    • Access scipy optimizers from your favorite deep learning framework.
      Python
      β€’
      Apache License 2.0
      β€’20β€’79β€’0β€’5β€’Updated Jun 30, 2023Jun 30, 2023
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