A library for efficient similarity search and clustering of dense vectors.

A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

🥧 Savoury implementation of the QUIC transport protocol and HTTP/3

Connect, secure, control, and observe services.

Kotlin coroutine support for Spring.

A Swift Autolayout DSL for iOS & OS X

GitHub pull request review app

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

Kotlin SQL Framework

[maintenance mode] A low-overhead Vulkan-like GPU API for Rust.

Interactive, thoroughly customizable maps in native Android, iOS, macOS, Node.js, and Qt applications, powered by vector tiles and OpenGL

jsprit is a java based, open source toolkit for solving rich vehicle routing problems

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Open Source Routing Engine for OpenStreetMap

Open Source Routing Machine - C++ backend

libheif is an HEIF and AVIF file format decoder and encoder.

Mirror of Apache Cassandra (incubating)

AWS Workshop for Kubernetes

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

Stack trace visualizer

The modern video player for macOS.

I/O primitives and event loop for async I/O in Rust

🚀 Python asyncio actor library

JavaScript API for Chrome and Firefox

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

An asynchronous programming facility for Scala

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, R…

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.