Design patterns implemented in Java

Google core libraries for Java

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

Getting Started with Spring Boot 3:

A libre lightweight streaming front-end for Android.

Render After Effects animations natively on Android and iOS, Web, and React Native

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

Telegram for Android source

Browse media content with your own rules on Android TV

The automation tower defense RTS

A Java serialization/deserialization library to convert Java Objects into JSON and back

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Open-Source Web UI for Apache Kafka Management

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

Apache Tomcat

SweetAlert for Android, a beautiful and clever alert dialog

Java library to create bots using Telegram Bots API

A library for working with Bitcoin

Integration with Netflix OSS components

Bitcoin Wallet app for your Android device. Standalone Bitcoin node, no centralized backend required.

Java implementation of the Tron whitepaper

signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.

Solutions for some common algorithm problems written in Java.

Simple Logging Facade for Java

Telegram Bot API for Java

Java Basics ( Java-8 )

🎨 Android colorpicker for getting colors from any images by tapping on the desired color.

An Android library that prevents your app from being pirated / cracked using Google Play Licensing (LVL), APK signature protection and more. API 14+ required.

log4j-scanner is a project derived from other members of the open-source community by CISA to help organizations identify potentially vulnerable web services affected by the log4j vulnerabilities.

dnsjava - an implementation of the DNS protocol in Java