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

A libre lightweight streaming front-end for Android.

Open-source IoT Platform - Device management, data collection, processing and visualization.

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

High Performance Inter-Thread Messaging Library

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

OpenRefine is a free, open source power tool for working with messy data and improving it

Free implementation of Play Services

Gnirehtet provides reverse tethering for Android

smali/baksmali

Android Unit Testing Framework

Install and run GNU/Linux on Android

OsmAnd

Vitamio for Android

Text editor - Notes & ToDo (for Android) - Markdown, todo.txt, plaintext, math, ..

We are on codeberg.org now! https://codeberg.org/Freeyourgadget/Gadgetbridge - Gadgetbridge - A free and cloudless replacement for your gadget vendors' closed source Android applications. Supports …

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

No-root network monitor, firewall and PCAP dumper for Android

A VT-100 terminal emulator for the Android OS

BinNavi is a binary analysis IDE that allows to inspect, navigate, edit and annotate control flow graphs and call graphs of disassembled code.

an open source geocoder for openstreetmap data

Android backup extractor

Stream summarizer and cardinality estimator.

Simplenote for Android

Proof of concept Android WebView implementation based on Chromium code

PySonar2: a semantic indexer for Python with interprocedual type inference

An awesome code differencing tool

Integrated Development Environment (IDE) for ESP8266 developers

Alternative network location provider for Android, with plugin interface to easily integrate third-party location providers.

Ahead of time compiler for JVM bytecode targetting iOS, Mac OSX and Linux