Uber's cross-platform mobile architecture framework
A flexible, stable, easy-to-use Android plug-in framework
Android hot-fix solution library
Reformats Java source code to comply with Google Java Style
Cross-platform UI component for selecting an item from a list
Java interface to OpenCV, FFmpeg, and more
Android localization plugin. supports multiple languages
The modular web framework for Java and Kotlin
Reactive Extensions for the JVM
Android library for building complex screens in a RecyclerView
Coverage-guided, in-process fuzzing for the JVM
Cross-platform framework for building truly native mobile apps
A netease cloud music based UI
A Reddit client for Android
Annotation-based library for making deep link handling better
A complete solution for apps using root permissions
Open source routing engine for OpenStreetMap
signal-cli provides a commandline, dbus and JSON-RPC interface
Slack Developer Kit (including Bolt for Java) for any JVM languages
A file downloader library for Android with pause and resume support
SQL DSL (Domain Specific Language) for Kotlin and Java
Refresh layout framework
An implementation of tap targets from the Material Design guidelines
Java binary serialization and cloning, fast, efficient, automatic
Most popular Mocking framework for unit tests written in Java