Design patterns implemented in Java

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

Telegram for Android source

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

JDK main-line development https://openjdk.org/projects/jdk

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

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

A collection of algorithms and data structures

Graphs for Everyone

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…

The Java gRPC implementation. HTTP/2 based RPC

A configuration as code language with rich validation and tooling.

A Java API for generating .java source files.

A collection of source code generators for Java.

Java Native Access

Java interface to OpenCV, FFmpeg, and more

Catch common Java mistakes as compile-time errors

The modern Java bytecode editor

Digital logic design tool and simulator

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

JavaFX Material Design Library

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

A Java to iOS Objective-C translation tool and runtime.

Barcode scanner library for Android, based on the ZXing decoder

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

Native Operating System and Hardware Information

An Open Source Java Decompiler Gui for Procyon

An Engine-Agnostic Deep Learning Framework in Java

Java runtime metadata analysis