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.

A browser automation framework and ecosystem.

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

IntelliJ IDEA & IntelliJ Platform

Vert.x is a tool-kit for building reactive applications on the JVM

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

LIBSVM -- A Library for Support Vector Machines

Apache Parquet Java

acm project