Vert.x is a tool-kit for building reactive applications on the JVM

The Python programming language

The open-source observability platform everyone needs!

Yahoo! Cloud Serving Benchmark

Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication feat…

Download the latest stable Synergy binaries.

Open source core of Synergy, the cross-platform keyboard and mouse sharing tool (Windows, macOS, Linux)

Terminal session recorder 📹

Terminal flame graph

Keep your code spotless

Angie - drop-in replacement for Nginx

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

The Z3 Theorem Prover

Heap query plugin for Eclipse Memory Analyzer

Jabel - unlock Javac 9+ syntax when targeting Java 8

Okay, it's pretty easy to instantiate objects in Java through standard reflection. However there are many cases where you need to go beyond what reflection provides. For example, if there's no publ…

IntelliJ IDEA code style settings for Square's Java and Android projects.

Automated JSON API documentation for API's built with Spring

Integrate cutting-edge LLM technology quickly and easily into your apps

Lightweight Kubernetes

Generating fake data for the JVM (Java, Kotlin, Groovy) has never been easier!

JunoDB is PayPal's home-grown secure, consistent and highly available key-value store providing low, single digit millisecond, latency at any scale.

Simple gRPC benchmarking and load testing tool

tiniest x86-64-linux emulator

Java libraries for writing microservices

Arana is a Cloud Native Database Proxy. It can also be deployed as a Database mesh sidecar.

A Raft Library in C++ based on the Raft implementation in Apache Kudu

Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js

Socket.IO server implemented on Java. Realtime java framework