Google core libraries for Java

a fast, scalable, multi-language and extensible build system

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

High Performance Inter-Thread Messaging Library

Zipkin is a distributed tracing system

A high performance caching library for Java

Redis Java client

The Java gRPC implementation. HTTP/2 based RPC

📈 Capturing JVM- and application-level metrics. So you know what's going on.

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

Distributed Graph Database

Yahoo! Cloud Serving Benchmark

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…

Fork of tagtraum industries' GCViewer. Tagtraum stopped development in 2008, I aim to improve support for Sun's / Oracle's java 1.6+ garbage collector logs (including G1 collector)

Java libraries for writing microservices

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with…

Benchmark comparing serialization libraries on the JVM

Master repository for the JGraphT project

The official MongoDB drivers for Java, Kotlin, and Scala

Java distributed tracing implementation compatible with Zipkin backend services.

Apache TinkerPop - a graph computing framework

GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections. https://www.eclipse.org/collections/

Functional programming in Java

MessagePack serializer implementation for Java / msgpack.org[Java]

Java agent to detect blocking calls from non-blocking threads.

An advanced, but easy to use, platform for writing functional applications in Java 8.

Open Network Operating System

Build a GraphQL service in seconds

Performance testing of serialization and deserialization of Java JSON libraries

Apache MINA sshd is a comprehensive Java library for client- and server-side SSH.