Apache ActiveMQ Classic

The official home of the Presto distributed SQL query engine for big data

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

A damn simple library for building production-ready RESTful web services.

OpenRefine is a free, open source power tool for working with messy data and improving it

#1 Locally hosted web application that allows you to perform various operations on PDF files

Jenkins automation server

A browser automation framework and ecosystem.

Gerrit Code Review - (mirror of https://gerrit.googlesource.com/gerrit)

Apache Druid: a high performance real-time analytics database.

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Netty project - an event-driven asynchronous network application framework

Ghidra is a software reverse engineering (SRE) framework

Free universal database tool and SQL client

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process …

✅ The programmer-friendly testing framework for Java and the JVM

jOOQ is the best way to write SQL in Java

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running mat…

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

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

Apache Pulsar - distributed pub-sub messaging system

Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more

Google core libraries for Java

OpenMRS API and web application code

Ip2region is an offline IP address manager framework and locator with both IPv4 and IPv6 supported, supporting billions of data segments, ten microsecond searching performance, xdb search client fo…

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

Mirror of Apache PDFBox

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

All Algorithms implemented in Java