Protocol Buffers - Google's data interchange format

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Apache Spark - A unified analytics engine for large-scale data processing

Netty project - an event-driven asynchronous network application framework

An open-source C++ library developed and used at Facebook.

The open source developer platform to build AI agents and models with confidence. Enhance your AI applications with end-to-end tracking, observability, and evaluations, all in one integrated platform.

RxJava bindings for Android

The official home of the Presto distributed SQL query engine for big data

Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3

A curated list of awesome big data frameworks, ressources and other awesomeness.

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

A fault tolerant, protocol-agnostic RPC system

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs

An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable sta…

JavaScript toolkit for creating interactive real-time graphs

Reactive Streams Specification for the JVM

Principled Functional Programming in Scala

Code accompanying the book "Machine Learning for Hackers"

Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter

Koalas: pandas API on Apache Spark

Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.

Interactive and Reactive Data Science using Scala and Spark.

A native Rust library for Delta Lake, with bindings into Python

An open source clone of Amazon's Dynamo.

DEPRECATED This project aims to provide a reusable pull to refresh widget for Android.

Streaming MapReduce with Scalding and Storm

Property-based testing for Scala

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