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 🚀

Zero-allocation hashing for Java

Netty project - an event-driven asynchronous network application framework

QuickFIX/J is a full featured messaging engine for the FIX protocol. - This is the official project repository.

CoreFreq : CPU monitoring and tuning software designed for the 64-bit processors.

High performance server-side application framework

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

Asynchronous, Reactive Programming for Scala and Scala.js.

The Java gRPC implementation. HTTP/2 based RPC

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

A high performance caching library for Java

Linux kernel source tree

A library that provides an embeddable, persistent key-value store for fast storage.

Simple Binary Encoding (SBE) - High Performance Message Codec

A fast object pool for the JVM

Code. Music. Live.

Non-Blocking Reactive Foundation for the JVM

BTrace - a safe, dynamic tracing tool for the Java platform

Sampling CPU profiler for Ruby

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

A programmer-oriented testing framework for Java — ⚠️ maintenance mode

Experimental, scalable, high performance HTTP server

Amazon Corretto 8 is a no-cost, multi-platform, production-ready distribution of OpenJDK 8

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A networking framework that evolves with your application

💎 A fast, open source text processor and publishing toolchain, written in Ruby, for converting AsciiDoc content to HTML 5, DocBook 5, and other formats.

High Performance data structures and utility methods for Java

Runtime code generation for the Java virtual machine.