A libre lightweight streaming front-end for Android.

Implementation of ImageView for Android that supports zooming, by various touch gestures.

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

Views and Drawable for displaying animated GIFs on Android

This library provides a simple way to add a draggable sliding up panel (popularized by Google Music and Google Maps) to your Android application. Brought to you by Umano.

A collection of samples demonstrating different frameworks and techniques for automated testing

Android filters based on OpenGL (idea from GPUImage for iOS)

Android library (AAR). Highly configurable, easily extendable deep zoom view for displaying huge images without loss of detail. Perfect for photo galleries, maps, building plans etc.

Image Cropping Library for Android, optimized for Camera / Gallery.

Android library that simplifies the process of requesting permissions at runtime.

[Unmaintained] Open source two-factor authentication for Android

Groupie helps you display and manage complex RecyclerView layouts.

Android markdown library (no WebView)

Extracts Exif, IPTC, XMP, ICC and other metadata from image, video and audio files

Java bindings for Skia

Java library for creating text-based GUIs

A Java library for zip files and streams

A persistent CookieJar implementation for OkHttp 3 based on SharedPreferences.

Phrase is an Android string resource templating library

The most powerful and beautiful Twitter client available.

An extremely fast implementation of Aho Corasick algorithm based on Double Array Trie.

Java implementation of the Aho-Corasick algorithm for efficient string matching

Deprecated: Android based YouTube URL extractor and downloader

Attempts to improve how clickable links are detected, highlighted and handled in TextView

Android class dependency visualizer. This tool helps to visualize the current state of the project.

Android library for displaying text messages, notifications and alerts at the top or bottom of the screen. A great alternative for toast and snackbar alerts.

Lightweight hardware accelerated video/audio transcoder for Android.

Because pretty-printing text tables in Java should be easy.

A simple yet powerful parameterized test runner for Java.