Free and Open Source, Distributed, RESTful Search Engine

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

A libre lightweight streaming front-end for Android.

A browser automation framework and ecosystem.

Browse media content with your own rules on Android TV

The automation tower defense RTS

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

APM, Application Performance Monitoring System

QuestDB is a high performance, open-source, time-series database

Apache Druid: a high performance real-time analytics database.

A free, secure and open source app for Android to manage your 2-step verification tokens.

BookLore: A self-hosted, multi-user digital library with smart shelves, auto metadata, Kobo & KOReader sync, BookDrop imports, OPDS support, and a built-in reader for EPUB, PDF, and comics.

Haven is for people who need a way to protect their personal spaces and possessions without compromising their own privacy, through an Android app and on-device sensors

A rewrite of Tachiyomi for the Desktop

React Native Notifications

The conformance checker for EPUB publications

Elassandra = Elasticsearch + Apache Cassandra

The real deal

Serves files from github, bitbucket and gitlab, but with the correct content types

Spring Boot Web Application

An unofficial implementation of Warpinator for Android

DualSub: bilingual subtitles maker

A quick settings tile for adaptive brightness on Android 7.0+ API 24