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

JDK main-line development https://openjdk.org/projects/jdk

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

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Quarkus: Supersonic Subatomic Java.

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Micronaut Application Framework

configuration library for JVM languages using HOCON files

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

TLC is a model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.

Spring Native is now superseded by Spring Boot 3 official native support

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

https://openjdk.org/projects/code-tools/jmh

Tribuo - A Java machine learning library

A networking framework that evolves with your application

This repository contains example applications to illustrate the different capabilities of GraalVM

A high-performance implementation of the R programming language, built on GraalVM.

Obsolete repository. Moved to oracle/graal.

An efficient PHP implementation built on GraalVM

Polyglot CUDA integration for the GraalVM

The DaCapo benchmark suite

Based on jdk11u-dev with included support for libgraal and GraalVM CE.

Implementing the sieve of Eratosthenes in various languages to demonstrate power of GraalVM and Truffle

A SpotBugs plugin that detects bad practices on JMH microbenchmarks.

Multiplatform Java agent for high-precision microbenchmarking.

Barista is an open-source Microservice Benchmark Suite for the JVM platform. It comprises applications written in a variety of popular frameworks and supports both JIT and AOT compilations.

Library behind the Polymorph password generator.

Pluggable profilers for JMH 1.8