Free and Open Source, Distributed, RESTful Search Engine

Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

Netty project - an event-driven asynchronous network application framework

Apache Flink

High Performance Inter-Thread Messaging Library

Most popular Mocking framework for unit tests written in Java

The Java gRPC implementation. HTTP/2 based RPC

The Clojure programming language

Apache Beam is a unified programming model for Batch and Streaming data processing.

Reformats Java source code to comply with Google Java Style.

Apache Groovy: A powerful multi-faceted programming language for the JVM platform

Distributed Graph Database

A scalable, distributed Time Series Database.

The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).

Apache Curator

A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

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

HiBench is a big data benchmark suite.

Mirror of Apache Samza

A novel implementation of the Raft consensus algorithm

Byteman Project main repo

Stateful Functions for Apache Flink

Remote Shuffle Service for Flink

Sample code, data, and configuration for the book

Reactive streams implementation for Netty.

Euphoria is an open source Java API for creating unified big-data processing flows. It provides an engine independent programming model which can express both batch and stream transformations.

Networking and buffer APIs and implementations for use in Copycat and Atomix

Benchmarks to compare various approaches for common JNI use-cases

The Proxima platform.

Convenient wrapper over the typesafe config.