X (fka Twitter) ORG

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

Twemoji is a JavaScript library that replaces emoji characters in web pages with Twitter's standardized emoji images, so every visitor sees identical emoji regardless of their device, browser, or OS.

A Scala API for Cascading

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

Systems performance telemetry

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

Source code for the X Recommendation Algorithm

The source code for X's (formerly Twitter's) recommendation system that decides which posts appear in your For You feed, a multi-stage pipeline covering candidate selection, ranking, and filtering.

typeahead.js is a fast and fully-featured autocomplete library

A jQuery autocomplete library from Twitter. Shows suggestions in a dropdown as the user types in a text input, pulling from local data or a remote endpoint.

A fast, light-weight proxy for memcached and redis

A lightweight C proxy server created at Twitter that reduces connection overhead to Redis and Memcached clusters by pooling connections and sharding keys across multiple backend servers.

Source code for Twitter's Recommendation Algorithm

Twitter's open-sourced machine learning models that power the For You feed, including the Heavy Ranker that decides what content appears on your home timeline and TwHIN embeddings that represent users and content as numerical vectors.

A fault tolerant, protocol-agnostic RPC system

A networking library from Twitter for JVM apps that handles reliable communication between services, automatically managing retries, timeouts, connection pooling, and load balancing.

A compiler for the Mustache templating language

Placing labels on a timeline without overlap.

Lessons in the Fundamentals of Scala

Anomaly Detection with R

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.

A standalone, flexible API that provides a full-featured rich text editor for iOS applications.

Wonderful reusable code from Twitter

Abstract Algebra for Scala

Fast, testable, Scala services built on TwitterServer and Finagle

Twitter's Effective Scala Guide

Streaming MapReduce with Scalding and Storm

Pelikan is Twitter's unified cache backend

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

Documentation and source code powering Twitter's Community Notes

OAuth-enabled curl for the Twitter API

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

Static checks to aid with a healthy adoption of Compose

An Active Record Reputation System for Rails

Memcache on SSD

Experimental Scala compiler focused on compilation speed

Twitter's collection of LZO and Protocol Buffer-related Hadoop, Pig, Hive, and HBase code.

Cassovary is a simple big graph processing library for the JVM

Vireo is a lightweight and versatile video processing library written in C++11

A Java HTTP client for consuming Twitter's realtime Streaming API

Twemcache is the Twitter Memcached

Innovators Patent Agreement (IPA)

Korean tokenizer

A Thrift parser/generator

Breakout Detection via Robust E-Statistics

GraphJet is a real-time graph processing library.

Ruby implementation of the ICU (International Components for Unicode) that uses the Common Locale Data Repository to format dates, plurals, and more.

Reversible conversions between types

Scala extensions for the Kryo serialization library

Twitter Network Layer is a scalable and feature rich network layer built on top of NSURLSession for Apple platforms

Refactored version of code.google.com/hadoop-gpl-compression for hadoop 0.20

A tool for benchmarking RPC services

Storehaus is a library that makes it easy to work with asynchronous key value stores

D3Kit is a set tools to speed D3 related project development

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

JavaScript implementation of the ICU (International Components for Unicode) that uses the Common Locale Data Repository to format dates, plurals, and more. Based on twitter-cldr-rb.

Common Twitter Rust lib

Scala School 2

The official Twitter plugin for WordPress. Embed Twitter content and grow your audience on Twitter.

Twitter Logging Service is a robust and performant logging framework for iOS clients

A library to implement asynchronous dependency graphs for services in Java

A novel text visualization technique

A collection of Twitter's anonymized production cache traces.

Twitter interactive visualization

A Java library for authenticating HTTP Requests using OAuth

Header Compression for HTTP/2

A Thrift client wrapper that encapsulates some common failover behavior

A simple library for identifying emoji entities within a string in order to render them as Twemoji.

No description.

ZooKeeper protocol analyzer and stats gathering daemon

HTTP library for Android (beta)

Scala extensions for Storm

hRaven collects run time data and statistics from MapReduce jobs in an easily queryable format

HTTP/2 for Netty

No description.

Focus aligns Git worktree content based on outlines of a repository's Bazel build graph. Focused repos are sparse, shallow, and thin and unlock markedly better performance in large repos.

Cache Commons

A Safe, Stateful Rules Language for Event Streams

Pants Build System

No description.

No description.

Access scipy optimizers from your favorite deep learning framework.

No description.

No description.

Twitter GitHub Organization-wide files

No description.

Cloudhopper Commons

TwitterCldr npm package

Bazel rules to resolve, fetch and manage 3rdparty JVM dependencies with support for multiple parallel versions of the same dependency. Powered by Coursier.

A thrift encoding and decoding library for Swift

A C interface to watchman

Twitter's OpenSSL Configuration

GateKeeper is a service built to automate the manual steps involved in onboarding, offboarding, and lost asset scenarios.

The Twitter OSS Project Builder

Tools for creating repos based on open source standards and best practices

A load generator, built for engineers

Performance modelling system for Distributed Stream Processing Systems (DSPS) such as Apache Heron and Apache Storm

groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.

Automatically check repositories health and quality and build reports that help us understand the current state of Sauce Labs repositories

Description of the process for how to commit, review, and release code to the Scalding OSS family (Scalding, Summingbird, Algebird, Bijection, Storehaus, etc)

Document Repository for Twitter's Curation Style Guide

Repository for Twitter Open Source Decks

Twitter's GPL Cooperation Commitment

No description.

A Github Action for running Dodo: The Twitter OSS Project Builder

No description.

No description.