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X (fka Twitter)

X đź’™ #opensource
README.md

X is what's happening and what people are talking about right now. It's where news breaks and communities converge. And it's all powered by open source, made by a team of amazing humans.

Participating in the community

đź«‚ We aim to create a welcoming and inclusive community. Please note that X's open source projects are governed by our code of conduct.

Get in touch!

Learn more about what we're doing in open source at opensource.x.com. Interested in a career at X? Check out our opportunities on X Careers!

đź‘‹ @XEng

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  1. twemoji twemoji Public

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

    HTML 17.7k 1.9k

  2. scalding scalding Public

    A Scala API for Cascading

    Scala 3.5k 698

  3. Serial Serial Public

    Light-weight, fast framework for object serialization in Java, with Android support.

    Java 1k 106

  4. rezolus rezolus Public

    Systems performance telemetry

    Rust 1.6k 114

  5. opensource-website 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.

    SCSS 3.3k 837

Repositories

Showing 10 of 102 repositories
  • communitynotes Public

    Documentation and source code powering Twitter's Community Notes

    twitter/communitynotes’s past year of commit activity
    Python 1,853 Apache-2.0 334 66 21 Updated Jul 13, 2026
  • twemoji Public

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

    twitter/twemoji’s past year of commit activity
    HTML 17,689 MIT 1,895 107 35 Updated Jul 7, 2026
  • x-ads-conversion-api-gtm-template Public
    twitter/x-ads-conversion-api-gtm-template’s past year of commit activity
    Smarty 0 Apache-2.0 0 0 0 Updated Jun 10, 2026
  • finagle Public

    A fault tolerant, protocol-agnostic RPC system

    twitter/finagle’s past year of commit activity
    Scala 8,861 Apache-2.0 1,432 59 (15 issues need help) 6 Updated Apr 30, 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.

    twitter/opensource-website’s past year of commit activity
    SCSS 3,300 Apache-2.0 837 42 29 Updated Apr 13, 2026
  • twitter-server Public

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

    twitter/twitter-server’s past year of commit activity
    Scala 1,604 Apache-2.0 273 3 1 Updated Feb 14, 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.

    twitter/twitter-cldr-rb’s past year of commit activity
    Ruby 692 Apache-2.0 101 10 5 Updated Dec 18, 2025
  • util Public

    Wonderful reusable code from Twitter

    twitter/util’s past year of commit activity
    Scala 2,721 Apache-2.0 570 5 (1 issue needs help) 10 Updated Dec 8, 2025
  • algebird Public

    Abstract Algebra for Scala

    twitter/algebird’s past year of commit activity
    Scala 2,299 Apache-2.0 346 73 44 Updated Nov 21, 2025
  • the-algorithm Public

    Source code for the X Recommendation Algorithm

    twitter/the-algorithm’s past year of commit activity
    Scala 73,530 AGPL-3.0 13,262 321 192 Updated Sep 8, 2025
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