Everything you need to know to get the job.

Spring Framework

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

Getting Started with Spring Boot 3:

Modular and customizable Material Design UI components for Android

Simplify Android M system permissions

Tiny, easily embeddable HTTP server in Java.

Code for Quartz Scheduler

Idiomatic persistence for Java and relational databases

Java 1-21 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

Bundletool is a command-line tool to manipulate Android App Bundles

React Native Notifications

SQLite JDBC Driver

The goal of this project is to allow integrated or USB-connected webcams to be accessed directly from Java. Using provided libraries users are able to read camera images and detect motion. Main pro…

Hacker's Keyboard (official)

A library that checks for your apps' updates on Google Play, GitHub, Amazon, F-Droid or your own server. API 9+ required.

Use graphviz with pure java

Spring Data Commons. Interfaces and code shared between the various datastore specific implementations.

Scene Builder is a visual, drag 'n' drop, layout tool for designing JavaFX application user interfaces.

A simple Java toolkit for JSON. You can use json-simple to encode or decode JSON text.

Official GitHub Maven Plugins

A fast, log structured key-value store.

Free and Open Source Java project which brings together almost all the modern web tools: JsHint, CssLint, JsMin, Google Closure compressor, YUI Compressor, UglifyJs, Dojo Shrinksafe, Css Variables …

Embedded Key Value Java Database

An implementation of Unix command line tools in Java.

A small and easy-to-use one-time password generator library for Java implementing RFC 4226 (HOTP) and RFC 6238 (TOTP).

Combine and minimize JavaScript and CSS files for faster page loading.

Tiny Language with ANTLR 4

A lightweight, simple FTP server. Pure Java, no dependencies.