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

Apache TinkerPop - a graph computing framework

Command line parsing framework for Java

Apache BookKeeper - a scalable, fault tolerant and low latency storage service optimized for append-only workloads

Nessie: Transactional Catalog for Data Lakes with Git-like semantics

Writing SQL using Java syntax

Raft Java implementation which is simple and easy to understand.

A Java NIO Server using non-blocking IO all the way through.

Improvement of Apache Kafka Mirrormaker

A raft-based java library for building high-available, high-durable, strong-consistent commitlog.

Airlift framework for building REST services

Netty开发的IM即时通讯

A lightweight distributed web container based on Netty 一个基于Netty的轻量级Web容器

A simple library class which helps with loading dynamic JNI libraries stored in the JAR archive

A production-grade java implementation of paxos consensus algorithm

Exporting JMX mbeans made easy

A protobuf based high performance RPC framework leveraging full-duplexing and asynchronous I/O with netty

Chaos Framework proposes a unified API for vendors to provide solutions to various aspects of performing the principles of chaos engineering in cloud-native environment.

A simple multi-threaded HTTP 1.1 Server implemented in Java for educational purposes based on W3C specifications

Berkeley DB Java Edition

Implementation of the Two-phase commit protocol in Java