Free and Open Source, Distributed, RESTful Search Engine

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

The official home of the Presto distributed SQL query engine for big data

Graphs for Everyone

Realm is a mobile database: a replacement for SQLite & ORMs

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

Android library to observe scroll events on scrollable views.

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.

⚠️ Processing moved to processing/processing4 ⚠️

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

The Physical Web: walk up and use anything

Distributed Graph Database

[DEPRECATED] RecyclerView made simple

Android library project for cropping images

DEPRECATED

Apache Nutch is an extensible and scalable web crawler

Repo of the Open Source Android library : RoboSpice. RoboSpice is a modular android library that makes writing asynchronous long running tasks easy. It is specialized in network requests, supports …

A collection of powerful data structures

The official plugin for Facebook in Apache Cordova/PhoneGap

Cross-platform framework for building truly native mobile apps with Java or Kotlin. Write Once Run Anywhere support for iOS, Android, Desktop & Web.

A modified version of Android's experimental StaggeredGridView. Includes own OnItemClickListener and OnItemLongClickListener, selector, and fixed position restore.

Cross-platform static analyzer and linter for Swift.

An open source event analytics platform

Cloud Dataflow Google-provided templates for solving in-Cloud data tasks

Plugins for use with PhoneGap.

Shazam in Java

Core ORMLite functionality that provides a lite Java ORM in conjunction with ormlite-jdbc or ormlite-android

Apache Unomi

JustifiedTextView is an android view that justifies the text. Gives support to older Android versions because "setJustificationMode" was introduced until API 26.