A Java version of simdjson, a high-performance JSON parser utilizing SIMD instructions

Flyway by Redgate • Database Migrations Made Easy.

Distributed P2P Data-driven Workflow Framework

DataWave is an ingest/query framework that leverages Apache Accumulo to provide fast, secure data access.

🕊️ The world's most advanced open source instant messaging engine for 100K~10M concurrent users https://turms-im.github.io/docs

An open source ML system for the end-to-end data science lifecycle

SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.

Apache IoTDB

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log-like data

Open source Java implementation for Raft consensus protocol.

MemQ is an efficient, scalable cloud native PubSub system

Pravega - Streaming as a new software defined storage primitive

Ehcache 3.x line

The java implementation of Apache Dubbo. An RPC and microservice framework.

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

Apache Flink

Qrono time-ordered queue server

Mirror of Apache Pig

Alluxio, data orchestration for analytics and machine learning in the cloud

Lightweight threads for Java, with message passing, nio, http and scheduling support.

Build a GraphQL service in seconds

Apache Pulsar - distributed pub-sub messaging system

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

Low Level Persistence Library

https://openjdk.org/projects/panama

Golang implementation of the Raft consensus protocol