Google core libraries for Java

A collection of source code generators for Java.

Java Native Access

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

A podcast manager for Android

Catch common Java mistakes as compile-time errors

Reformats Java source code to comply with Google Java Style.

Keep your code spotless

A reference implementation of a JSON package in Java.

H2 is an embeddable RDBMS written in Java.

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Wrapper of syncthing for Android.

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

[Unmaintained] Open source two-factor authentication for Android

Automated mass refactoring of source code.

Fluent testing assertions for Java and the JVM

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

An in-memory file system for Java

Access other storage backends via the S3 API

fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.

Rclone for Android

A collection of libraries for Apple's AirPlay protocol

A simple sound recording app implementing Material Design

KeePass implementation for android

Vanilla Music Player for Android

Java Abstracted Foreign Function Layer

A open source run tracker

args4j

Nailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead.