Free and open-source Android software

computer accessibility tool

systemless root software for Android

encrypted private messenger

MuPDF is a free and open-source software framework written in C that implements a PDF, XPS, and EPUB parsing and rendering engine. It is used primarily to render pages into bitmaps, but also provides support for other operations such as searching and listing the table of contents and hyperlinks.

Ghostery is a free and open-source privacy and security-related browser extension and mobile browser application. Since February 2017, it has been owned by the German company Cliqz International GmbH (formerly owned by Evidon, Inc., which was previously called Ghostery, Inc. and the Better Advertising Project). The code was originally developed by David Cancel and associates.

Linphone (contraction of Linux phone) is a free voice over IP softphone, SIP client and service. It may be used for audio and video direct calls and calls through any VoIP softswitch or IP-PBX. Linphone also provides the possibility to exchange instant messages. It has a simple multilanguage interface based on Qt for GUI and can also be run as a console-mode application on Linux.

free rogue-like computer game

AdAway is a free and open-source ad-blocking application for the Android mobile operating system.

open source online office suite

note taking and to-do application

Internet censorship circumvention software

The software program VICE, standing for VersatIle Commodore Emulator, is a free and cross platform emulator for Commodore's 8-bit computers. It runs on Linux, Amiga, Unix, MS-DOS, Win32, macOS, OS/2, RISC OS, QNX, GP2X, Pandora, Dingoo A320, Syllable, and BeOS host machines. VICE is free software, released under the GNU General Public License since 2004.

AntennaPod is a free and open-source podcast aggregator app for the Android operating system.

planetarium software application

Seafile is an open-source, cross-platform file-hosting software system. Files are stored on a central server and can be synchronized with personal computers and mobile devices through apps. Files on the Seafile server can also be accessed directly via the server's web interface. Seafile's functionality is similar to other popular file hosting services such as Dropbox and Google Drive. The primary difference between Seafile and Dropbox/Google Drive is that Seafile is a self-hosted file sharing solution for private cloud applications. In private clouds, storage space and client connection limits

GLtron is a 3D snake game based on the light cycle portion of the film Tron. The game is free and open-source software and has been ported to many mobile and non-mobile operating systems such as Windows, MacOS, Symbian and Android over the years.

OpenKeychain is a free and open-source mobile app for the Android operating system that provides strong, user-based encryption which is compatible with the OpenPGP standard. This allows users to encrypt, decrypt, sign, and verify signatures for text, emails, and files. The app allows the user to store the public keys of other users with whom they interact, and to encrypt files such that only a specified user can decrypt them. In the same manner, if a file is received from another user and its public keys are saved, the receiver can verify the authenticity of that file and decrypt it if necessa

1997 video game

tracking, data security and device management app

Android XMPP client

privacy preserving communication app

encrypted instant messenger app (IM)

free software

Wikimedia list article

REDIRECT Doom modding#Freedoom

ConnectBot is an open-source Secure Shell client for the Android operating system. It lets users securely log in remotely to servers that run a secure shell daemon. This allows the user to enter commands from their Android device and have the commands run on the remote server instead of the local android device. It uses the standard encryption used by SSH2 to keep any commands and data that are transmitted from being eavesdropped by any potential listeners across the network.

password manager by Bruce Schneier

Sefaria is an online open source, free content, digital library of Jewish scriptural, theological, philosophical, legal, mystical, historical, and ethical texts. It was founded in 2011 by former Google project manager Brett Lockspeiser and journalist-author Joshua Foer. Promoted as a "living library of Jewish texts", Sefaria relies partially upon volunteers to add texts and translations. The site provides cross-references and interconnections between various texts. Hebrew, Aramaic, and Judeo-Arabic texts are provided under a free license in the original and in translation if available. The web

Navit is a free and open-source, modular, touch screen friendly, car navigation system with GPS tracking, realtime routing engine and support for various vector map formats. It features both a 2D and 3D view of map data.

CommaFeed is a free and open source feed reader. It is a web application which can be self hosted on a web server or used through commafeed.com. It has responsive design supporting desktop, tablet and mobile browser simultaneously. An Android News+ client was available but discontinued. It supports right-to-left feeds.