Free and Open Source, Distributed, RESTful Search Engine

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

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

Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queu…

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

A high performance caching library for Java

🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.

Most popular Mocking framework for unit tests written in Java

An annotation processor for generating type-safe bean mappers

Runtime code generation for the Java virtual machine.

Code for Quartz Scheduler

Java 1-25 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

Keep your code spotless

Automated mass refactoring of source code.

An uber-fast parallelized Java classpath scanner and module scanner.

Java Abstracted Foreign Function Layer

HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform

HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support

Javet is Java + V8 (JAVa + V + EighT). It is an awesome way of embedding Node.js and V8 in Java.

Backport of functionality based on JSR-310 to Java SE 6 and 7. This is NOT an implementation of JSR-310.

https://openjdk.org/projects/code-tools

🚲 STConvert is analyzer that convert chinese characters between traditional and simplified.中文简繁體互相转换.

MQTT CLI is a useful command line interface for connecting various MQTT clients supporting MQTT 5.0 and 3.1.1

Modern tool for microservice configuration management

A modern JavaScript development environment for Minecraft.

A simple redis java mock for unit testing

swc4j (SWC for Java) is an ultra-fast JavaScript and TypeScript compilation and bundling tool on JVM.

HiveMQ Edge is an MQTT gateway that enables interoperability between OT devices and IT systems. It translates diverse protocols into MQTT for streamlined communication and helps organize data into …

Headless/full Java browser with support for downloading files, working with cookies, retrieving HTML and simulating real user input. Possible via Node.js with Puppeteer and/or Playwright. Main focu…

Start GraalVM with access to NodeJS modules from Java/Kotlin