List_of_free_and_open-source_Android_applications

List of free and open-source Android applications

Open Source Android Applications

This is a list of notable applications (apps) that run on the Android platform which meet guidelines for free software and open-source software.

Android phones, like this Nexus S running Replicant, allow installation of apps from the Play Store, F-Droid store or directly via APK files.

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This article uses material from the Wikipedia article List_of_free_and_open-source_Android_applications, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.

[api-1] The API column is used to describe which versions of Android each individual application is compatible with. If API column shows "5.1" then the application is compatible with Android version 5.1 or higher; "L7" or "L14" mean specific Android API versions.

[api-3] The API column is used to describe which versions of Android each individual application is compatible with. If API column shows "5.1" then the application is compatible with Android version 5.1 or higher; "L7" or "L14" mean specific Android API versions.

[abp-2] [1]
Multiple sources:
Chloe Albanesius (14 March 2013). "Ad-Blocking Apps Pulled From Google Play". PC Magazine. Retrieved 31 August 2023.

Peter Eckersley (14 March 2013). "Google Takes the Dark Path, Censors AdBlock Plus on Android" Retrieved 31 August 2023.

Scott Gilbertson (March 21, 2013). "New Adblock Plus Doesn't Need No Stinking Google Play Store". Wired.com. Retrieved 31 August 2023.

Ricardo Bilton (March 13, 2013). "Google yanks Adblock Plus from Google Play, surprising nobody" Retrieved 31 August 2023.

[4] Chloe Albanesius (14 March 2013). "Ad-Blocking Apps Pulled From Google Play". PC Magazine. Retrieved 31 August 2023.

[5] Peter Eckersley (14 March 2013). "Google Takes the Dark Path, Censors AdBlock Plus on Android" Retrieved 31 August 2023.

[6] Scott Gilbertson (March 21, 2013). "New Adblock Plus Doesn't Need No Stinking Google Play Store". Wired.com. Retrieved 31 August 2023.

[7] Ricardo Bilton (March 13, 2013). "Google yanks Adblock Plus from Google Play, surprising nobody" Retrieved 31 August 2023.

[4] [2]
"Learn About Brave and Our Team - Brave Browser". brave.com.

[5] [3]
"Add Brave to F-Droid". GitHub.

[6] [4]
"DuckDuckGo Android". June 10, 2022 – via GitHub.

[7] [5]
"Firefox". f-droid.org. F-Droid. Archived from the original on 19 February 2017. Retrieved 7 November 2016.

[8] [6]
"Guardian Project Fdroid repo". guardianproject.info. Retrieved 18 July 2018.

[9] [7]
"Is Tor Browser available on F-droid?". Retrieved 4 December 2019.

[10] [8]
"Zulip Mobile". June 10, 2022 – via GitHub.

[11] [9]
"Installing Briar via F-Droid - Briar". briarproject.org.

[12] [10]
"I2P Official App Repository". f-droid.i2p.io.

[13] [11]
Yen, Andy (2020-02-10). "IVPN applications are now open source". ivpn.net. IVPN. Retrieved 2020-05-16.

[14] [12]
Pestel, Nick (2020-01-23). "Independent security audit concluded". ivpn.net. IVPN. Retrieved 2020-05-16.

[15] [13]
"Ring - Apps on Google Play". play.google.com.

[16] [14]
"Ring - F-Droid - Free and Open Source Android App Repository". f-droid.org.

[17] [15]
Yen, Andy (2020-01-21). "All ProtonVPN apps are now open source and audited". protonvpn.com. ProtonVPN Technologies AG. Retrieved 2020-05-16.

[Greenberg-2015-11-2-18] [16]
Greenberg, Andy (2 November 2015). "Signal, the Snowden-Approved Crypto App, Comes to Android". Wired. Condé Nast. Retrieved 27 March 2016.

[19] [17]
"Telegram-FOSS-Team/Telegram-FOSS". GitHub. 21 June 2022.

[20] [18]
mpfau (12 August 2014). "tutanota/LICENSE.txt". github.com/tutao/tutanota. Tutao GmbH. Retrieved 13 October 2018.

[21] [19]
RetroArch / COPYING. github.com. Retrieved 19 August 2015.

[pelya-22] [20]
"pelya/commandergenius". GitHub. 14 June 2022.

[23] [21]
Linux Magazine Issue #220 / Mar 2019 FOSS Picks

Andrew Koziara (3 July 2015). ‘Pixel Dungeon’ Review – Simple Name, Legendary Game

John Walker (4 November 2016). Have You Played... Pixel Dungeon?

John Walker (1 June 2015). Wot I Think: Pixel Dungeon

Mark Brown (Jul 31, 2014). Pixel Dungeon is a completely free and completely addictive roguelike adventure for Android

Pixel Dungeon Review: Rougelike dungeon crawling with pixel art goodness (27 May 2013)

A pixel art filled roguelike dungeon crawler has arrived called Pixel Dungeon. (5 Mar 2013)

9kier. Pixel Dungeon (польск.) // CD-Action : журнал. — 2015. — Nr 8 (245). — S. 75. — ISSN 1426-2916.

Rizqi Maulana (26 Sep 2014). Perombakan Kecil Dari Pixel Dungeon Untuk Membuatmu Mati Berulang-Ulang Minggu Ini

PIXEL DUNGEON FOR ANDROID – A SURPRISINGLY GOOD (FREE) ROGUELIKE. (26 February 2014)

Pixel Dungeon. (8 March 2018)

[28] Andrew Koziara (3 July 2015). ‘Pixel Dungeon’ Review – Simple Name, Legendary Game

[29] John Walker (4 November 2016). Have You Played... Pixel Dungeon?

[30] John Walker (1 June 2015). Wot I Think: Pixel Dungeon

[31] Mark Brown (Jul 31, 2014). Pixel Dungeon is a completely free and completely addictive roguelike adventure for Android

[32] Pixel Dungeon Review: Rougelike dungeon crawling with pixel art goodness (27 May 2013)

[33] A pixel art filled roguelike dungeon crawler has arrived called Pixel Dungeon. (5 Mar 2013)

[34] 9kier. Pixel Dungeon (польск.) // CD-Action : журнал. — 2015. — Nr 8 (245). — S. 75. — ISSN 1426-2916.

[35] Rizqi Maulana (26 Sep 2014). Perombakan Kecil Dari Pixel Dungeon Untuk Membuatmu Mati Berulang-Ulang Minggu Ini

[36] PIXEL DUNGEON FOR ANDROID – A SURPRISINGLY GOOD (FREE) ROGUELIKE. (26 February 2014)

[37] Pixel Dungeon. (8 March 2018)

[sc2-24] [22]
"COPYING". sourceforge.net/p/sc2/. The Ur-Quan Masters Git Repository. Retrieved 13 October 2018.

[uqm_license-25] [23]
"The Ur-Quan Masters Project FAQ - Ultronomicon". wiki.uqm.stack.nl.

[26] [24]
fetlife/android/README.md. GitHub.

[27] [25]
"FetLife for iOS". June 12, 2022 – via GitHub.

[28] [26]
android.texi (texinfo). git.savannah.gnu.org. Retrieved 17 October 2023.

[machines-29] [27]
"Emacs machines list".

[30] [28]
"COVID Alert Mobile App". June 2, 2022 – via GitHub.

[31] [29]
"DP^3T". GitHub.

[32] [30]
"PEPP-PT". GitHub.

[33] [31]
"OpenTrace iOS App". April 16, 2022 – via GitHub.

[34] [32]
Andreas Illmer (5 January 2021). Singapore reveals Covid privacy data available to police. BBC News, Singapore.

[35] [33]
"Fdroid - Jellyfin - your media in your hands!".

[krita-36] [34]
F-Droid.org | Krita Retrieved 20 September 2023.

[popcorn-37] [35]
Popcorn Time Foundation. android / LICENSE.md. git.popcorntime.io. Retrieved 19 August 2015. Archived September 7, 2015, at the Wayback Machine

[38] [36]
Gardner, Eriq (3 November 2015). "MPAA Touts Big Legal Success Against Popcorn Time". The Hollywood Reporter. Retrieved 23 November 2015.

[39] [37]
"Tribler Android - Beta Port". GitHub. tribler-android/LICENSE.txt.

[40] [38]
"Commons mobile app". commons.wikimedia.org. Archived from the original on 20 November 2015. Retrieved 23 November 2015.{{cite web}}: CS1 maint: bot: original URL status unknown (link)

[41] [39]
apps4av (Oct 5, 2016). apps4av / avare / License; commit 02924c7. github.com.

[42] [40]
f-droid.org package for edu.berkeley.boinc. Retrieved 23 May 2023.

[43] [41]
Anderson, David Pope (8 August 2008). "boinc / COPYING". github.com. Retrieved 25 November 2015.
Walton, Rom (7 November 2015). "boinc / README.md". github.com/BOINC/boinc. Retrieved 25 November 2015.

[44] [42]
Champion, Corbin. "corbinlc/octave4android". github.com. Retrieved 5 February 2019.

[45] [43]
Treichl, Thomas (21 October 2013). "Octave on Android". Octave Maintainers mailinglist. Archived from the original on 7 February 2019. Retrieved 5 February 2019.

[46] [44]
"micro:bit - Apps on Google Play". play.google.com.

[microbit-fdroid-47] [45]
"Request for adding the official BBC micro:bit application". 2018-07-26. Retrieved 2018-07-28.

[48] [46]
"License text in source code repository". GitHub. Retrieved 2018-07-27.

[49] [47]
"Samsung Launches the Official BBC micro:bit App". 2016-02-17. Retrieved 2018-07-29.

[50] [48]
Multiple sources:
Christoph Stampfer; Heidrun Heinke; Sebastian Staacks. "A lab in the pocket." Nature Reviews Materials 5, 169–170 (2020). doi:10.1038/s41578-020-0184-2.

Ryan Carroll; James Lincoln (1 November 2020). "Phyphox app in the physics classroom". The Physics Teacher, 58 (8): 606–607. doi:10.1119/10.0002393.

Staacks, S; Hütz, S; Heinke, H; Stampfer, C. (6 May 2018). "Advanced tools for smartphone-based experiments: phyphox". Physics Education. IOP Publishing. doi:10.1088/1361-6552/aac05e. "The sensors in modern smartphones are a promising and cost-effective tool for experimentation in physics education, but many experiments face practical problems. Often the phone is inaccessible during the experiment and the data usually needs to be analyzed subsequently on a computer. We address both problems by introducing a new app, called ‘phyphox’, which is specifically designed for utilizing experiments in physics teaching. The app is free and designed to offer the same set of features on Android and iOS."

Sebastian Staacks; Dominik Dorsel; Simon Hütz; Frank Stallmach; Tobias Splith; Heidrun Heinke; Christoph Stampfer (June 2022). "Collaborative smartphone experiments for large audiences with phyphox". European Journal of Physics, 43 (5), 055702. doi:10.1088/1361-6404/ac7830.

Bunga Lili Annisa; Sarah Miriam; Suyidno Suyidno (2022). "The Effectiveness of A Multiple Representation-Based Flipbook to Improve Students’ Problem-Solving Ability on The Topic of Wave." Jurnal Pendidikan Fisika Dan Teknologi, 8 (2), 122–129. doi:10.29303/jpft.v8i2.3796.

Rhett Allain (16 August 2018). "Three Science Experiments You Can Do With Your Phone". wired.com. Retrieved 23 August 2023.

Sven Gregori; Sebastian Staacks (29 December 2019). "36C3: Phyphox – Using Smartphone Sensors For Physics Experiments". hackaday.com. Retrieved 23 August 2023.

[65] Christoph Stampfer; Heidrun Heinke; Sebastian Staacks. "A lab in the pocket." Nature Reviews Materials 5, 169–170 (2020). doi:10.1038/s41578-020-0184-2.

[66] Ryan Carroll; James Lincoln (1 November 2020). "Phyphox app in the physics classroom". The Physics Teacher, 58 (8): 606–607. doi:10.1119/10.0002393.

[67] Staacks, S; Hütz, S; Heinke, H; Stampfer, C. (6 May 2018). "Advanced tools for smartphone-based experiments: phyphox". Physics Education. IOP Publishing. doi:10.1088/1361-6552/aac05e. "The sensors in modern smartphones are a promising and cost-effective tool for experimentation in physics education, but many experiments face practical problems. Often the phone is inaccessible during the experiment and the data usually needs to be analyzed subsequently on a computer. We address both problems by introducing a new app, called ‘phyphox’, which is specifically designed for utilizing experiments in physics teaching. The app is free and designed to offer the same set of features on Android and iOS."

[68] Sebastian Staacks; Dominik Dorsel; Simon Hütz; Frank Stallmach; Tobias Splith; Heidrun Heinke; Christoph Stampfer (June 2022). "Collaborative smartphone experiments for large audiences with phyphox". European Journal of Physics, 43 (5), 055702. doi:10.1088/1361-6404/ac7830.

[69] Bunga Lili Annisa; Sarah Miriam; Suyidno Suyidno (2022). "The Effectiveness of A Multiple Representation-Based Flipbook to Improve Students’ Problem-Solving Ability on The Topic of Wave." Jurnal Pendidikan Fisika Dan Teknologi, 8 (2), 122–129. doi:10.29303/jpft.v8i2.3796.

[70] Rhett Allain (16 August 2018). "Three Science Experiments You Can Do With Your Phone". wired.com. Retrieved 23 August 2023.

[71] Sven Gregori; Sebastian Staacks (29 December 2019). "36C3: Phyphox – Using Smartphone Sensors For Physics Experiments". hackaday.com. Retrieved 23 August 2023.

[PF_1-51] [49]
"F-Droid phyphox". F-Droid Contributors. 2023. Retrieved 27 November 2023.

[PA_1-52] [50]
"phyphox Android General Public License". GitHub. 29 June 2007. Retrieved 27 November 2023.

[53] [51]
"Sky Map". June 8, 2022 – via GitHub.

[54] [52]
"Guardian Project Official App Repository". guardianproject.info.

[GP_1-55] [53]
"Haven: Keep Watch". Guardian Project. 1 March 2017. Retrieved 27 November 2023.

[HAV_1-56] [54]
Timm, T. (22 December 2017). "Introducing Haven, the open source security system in your pocket". Freedom of the Press Foundation. Retrieved 27 November 2023.

[57] [55]
F-Droid - Impress Remote. f-droid.org. Retrieved 3 September 2015.

[58] [56]
"Intra". June 13, 2022 – via GitHub.

[59] [57]
"Mycroft-Android". June 7, 2022 – via GitHub.

[60] [58]
"TeamWin/Team-Win-Recovery-Project". June 13, 2022 – via GitHub.

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Application name	Description	Availability			License	API^{[lower-alpha 1]}	Note
Application name	Description	Aptoide	Google Play	F-Droid	License	API^{[lower-alpha 1]}	Note
AdAway	Ad blocker	No	No	Yes	GNU GPLv3	L16 / 4.1+
Adblock Plus	Ad blocker	?	No^[1]	No	GNU GPLv3	L7 / 2.1+	Standalone filtering app was removed from Google Play for breaching Play terms of service.^[1]

Application name	Description	Availability			License	API^{[lower-alpha 1]}	Note
Application name	Description	Aptoide	F-Droid	Google Play	License	API^{[lower-alpha 1]}	Note
Brave	Chromium-based web browser with emphasis on tracking prevention, and reforming ad-blocking^[2]	Yes	No^[3]	Yes	MPL	4.1+	Has in-built ad blocker
Chromium	Primary code-base of Chrome; uses Blink and V8 engines	No	No	No	BSD	4.4+
DuckDuckGo	Chromium-based; focuses on privacy & tracking protection	Yes	Yes	Yes	Apache 2.0	5.0+	^[4]
Fennec F-Droid	Rebadged fork of Firefox; aims to remove proprietary components	No	Yes	No	MPL	4.1+	Same with Firefox for Android, but some proprietary code removed.
Firefox for Android	Customizable with add-ons; uses Gecko engine	Yes	No^[5]	Yes	MPL	4.1+	Removed from F-Droid
Firefox Focus/Klar	Privacy centered browser; uses Gecko engine (GeckoView)	Yes	No	Yes	MPL	5.0+
GNU IceCat	GNU Project version of Firefox	No	No Archived 2018-03-24 at the Wayback Machine	No	MPL	4.0.3+	IceCat contains features not found in mainline Firefox release and eschews all usage of proprietary components.
Tor Browser	Mozilla-based browser enhanced for use on Tor anonymity network	Yes	Yes^[6]	Yes	MPL	4.0.3+	Available in F-Droid by activating the extra Guardian Project repository^[7]

Application name	Description	Availability		License	API^{[lower-alpha 1]}	Note
Application name	Description	Google Play	F-Droid	License	API^{[lower-alpha 1]}	Note
Collabora Online	Office suite with Microsoft Office compatible word processor, spreadsheet, presentation, and vector graphics editor	Yes	Yes	MPLv2	5.0+	An enterprise-ready edition of LibreOffice
ownCloud	Client for synchronization server	Yes	Yes	GPLv2	4.0+
Nextcloud	Client for synchronization server	Yes	Yes	GPLv2	4.0+

Application name	Description	Availability		License	API^{[lower-alpha 1]}	Note
Application name	Description	Google Play	F-Droid	License	API^{[lower-alpha 1]}	Note
ConnectBot	SSH, telnet, and terminal emulator	Yes	Yes	Apache 2.0	1.5+
CSipSimple	SIP & VoIP client	No	No	GPLv3	1.6+
Element	Federated instant messaging and group chat client using the Matrix protocol.	Yes	Yes	Apache 2.0	4.1+
Jitsi	Videoconferencing and instant messenger	Yes	Yes	LGPLv2.1	?
K-9 Mail	Advanced email client	Yes	Yes	Apache 2.0	2.2+	Supports OpenPGP integration with OpenKeychain
Linphone	Video SIP/VoIP client	Yes	Yes	GPLv2	2.2+
Mastodon	federated social network	Yes	Yes	GPLv3	6.0+
Session	distributed blockchain-based messenger	?	?	GPLv3	?	Also available for iOS, Linux, and Windows
Sipdroid	SIP/VoIP client	Yes	Yes	GPLv3	2.0+	works on 1.5
WordPress	Official WordPress client	Yes	No	GPLv2	2.3+
Zulip	groupware and chat	Yes	No	Apache 2.0^[8]	5.0+	Also available for iOS

Application name	Description	Availability		License	API^{[lower-alpha 1]}	Note
Application name	Description	Google Play	F-Droid	License	API^{[lower-alpha 1]}	Note
APG	OpenPGP and key management	Yes	Yes	Apache 2.0	1.5+	OpenKeychain available as more up-to-date alternative
Briar	Peer-to-peer encrypted messaging and forums	Yes	Yes^[9]	GPLv3	4.0+
Conversations	Federated encrypted instant messaging and group chat	Yes	Yes	GPLv3	4.0+	Interoperable with any Jabber/XMPP clients. End-to-end encryption using OMEMO, OpenPGP (and OTR for versions under 2.0 and the legacy version).
Element (formerly Riot)	Decentralised, encrypted chat & collaboration powered by Matrix	Yes	Yes	Apache 2.0	5.0+
I2P	Anonymizing network layer	Yes	Yes	Apache 2.0	2.3+	I2P also maintain their own F-Droid repo.^[10]
IVPN	Privacy-focused VPN service	Yes	Yes	GPLv3	?	Also available on Windows, macOS, and iOS; and undergo independent security audit.^[11]^[12]
Jami	Softphone and messenger utilizing DHT and strong cryptography	Yes^[13]	Yes^[14]	GPLv3	?	Formerly named "GNU Ring" and "SFLphone".
Lantern	Peer-to-peer internet censorship circumvention	Yes	No	Apache 2.0	?
Mozilla VPN	VPN service	Yes	?	MPL 2.0	?	Also available for iOS, Linux, macOS, and Windows
Mullvad	Privacy-focused VPN service	Yes	Yes	GPLv3	?	Also available for Windows, macOS, and iOS
OpenKeychain	OpenPGP and key management	Yes	Yes	GPLv3	?	Integrates with K-9 Mail.
Orbot	Client and proxy for Tor anonymity network	Yes	Yes	BSD, GPL	1.6+
Psiphon	Client for internet censorship circumvention system	Yes	No	GPLv3	?
ProtonMail	Client end-to-end encrypted email service	Yes	No	GPLv3	?	Open source apps on WEB app, Android, IOS, Bridge app.
ProtonVPN	Privacy-focused VPN service	Yes	Yes	GPLv3	?	Also available for Windows, macOS, and iOS; and undergo independent security audits.^[15]
Signal	Encrypted instant messaging, voice and video calling	Yes	No	GPLv3	2.3+	Also available for iOS. The Android client is a merger of the former TextSecure and RedPhone apps.^[16]
Surespot	Encrypted instant messaging	Yes	No Archived 2019-02-08 at the Wayback Machine	GPLv3+	?	Also available for iOS. F-Droid build is based on forked repo.
Telegram	Client for cloud-based messaging platform	Yes	Yes	GPLv2	2.2+	Also available for iOS. F-Droid build is based on forked repo.^[17] Server uses closed source software.
Tox	Peer-to-peer instant-messaging	Yes	Yes	GPLv3+	4.0+	Alpha release
Tutanota	Client for end-to-end encrypted email service	Yes	Yes	GPLv3^[18]	?
Wire	Encrypted instant messaging, voice and video calling	Yes	Yes	GPLv3	?	Also available for iOS, Windows and OS X. Server uses closed source software.

List_of_free_and_open-source_Android_applications

List of free and open-source Android applications

Advertisement blocking

Web browsers

Office Suites and synchronisation

Communication

Privacy/security focused

Emulators

Games

General

Health

Multimedia

Navigation

Reading

Science and education

Security

System and utilities

Notes

See also

References

External links

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Application name	Description	Availability		License	API^{[lower-alpha 1]}	Note
Application name	Description	Google Play	F-Droid	License	API^{[lower-alpha 1]}	Note
2048	Mathematics sliding block puzzle	Yes	Yes	MIT	2.2+	Port of 2048
Angband	Text-based roguelike	Yes	Yes	GPLv2	?
Battle for Wesnoth	Turn-based strategy in a fantasy setting	Partial	Yes	GPLv2	2.3+	Ported to Android with SDL
Brogue	Roguelike	Yes	Yes	GPLv3	?
Dungeon Crawl Stone Soup	Roguelike	Yes	No	GPLv2+	?	Text-based version also available
Fish Fillets NG	Underwater puzzle game.	Yes	No	GPLv2	1.6+	Port of Fish Fillets NG
Freeciv	Turn-based strategy game similar to Sid Meier's Civilization	Yes	No	GPLv2	2.0+
Frozen Bubble	Tile-matching puzzle game	Yes	Yes	GPLv2	1.6+	Port of Frozen Bubble
GLtron	Lightcycle racing game	Yes	Yes	GPLv2	2.2+	Port of GLtron
H-Craft Championship	SciFi 3D racing game	Yes	No	zlib	3.2+	Media is proprietary, but free for personal use.
HyperRogue	Roguelike in hyperbolic plane	?	Yes	GPLv2+	?
Minetest	Sandbox similar to Minecraft	Yes	Yes		?
OpenArena	First-person shooter similar to Quake 3 (see: id Tech 3)	Yes	No	GPLv2	1.6+	Unofficial port by "pelya" using SDL 1.2^[20]
OpenTTD	Business simulation game similar to Transport Tycoon Deluxe	Yes	No	GPLv2	1.6+	pelya SDL port^[20]
Pixel Dungeon^[21]	Roguelike with pixel art graphics	Yes	Yes	GPLv3	?	Also available for Linux, iOS, Windows 10, Mac OS X
OpenTyrian	Vertical shoot 'em up	Yes	No	GPLv2	1.6+	pelya SDL port^[20]
robotfindskitten	A "Zen Simulation"	Yes	Yes	GPL	1.6+
Simon Tatham's Puzzle Collection	Collection of puzzle games	Yes	Yes	MIT	2.1+
Ur-Quan Masters	Source-port of 3DO version of Star Control II	?	No	GPLv2+, CC by 2.0, CC by-nc-sa 2.5^[22]	?	Game engine is free, but Star Control art assets are released under a Creative Commons non-commercial license.^[23]^[22] pelya SDL port^[20]

Application name	Description	Availability		License	API^{[lower-alpha 1]}	Note
Application name	Description	Google Play	F-Droid	License	API^{[lower-alpha 1]}	Note
AntennaPod	Podcatcher	Yes	Yes	MIT	2.3.3+
Butter Project	Media player utilising the BitTorrent protocol	?	?	AGPLv3	?
Jellyfin	Client for the Jellyfin Media Server	Yes	Yes^[33]	GPLv2+	5.0+
Kodi (formerly XBMC)	Media player and center	Yes	Yes	GPLv2+	Multi
Krita	Graphics editor for art and animation	?	Yes^[34]	GPLv3	?	Optimized for tablets and may behave poorly on phone screens.^[34] Member project of KDE.
Popcorn Time	Media player utilizing BitTorrent protocol	No	No	GPLv3+ (AGPL exception)^[35]	?	In Nov. of 2015 PopcornTime.io ceased operations after court order from the MPAA issued in Canada.^[36]
Ringdroid	Ringtone maker	Yes	Yes	Apache 2.0	4.1+
Rockbox	Media player	?	?	GPLv2+	?
Tribler	Decentralized video sharing	Yes	Yes	GPLv3^[37]	3.0+
Tux Paint	Simple drawing program for children	Non-free	Yes	GPLv2	?	Version on Google Play is published by a 3rd-party & contains proprietary ad libraries in violation of upstream developers' license
VLC	Media player	Yes	Yes	GPLv2+	4.2+
Wikimedia Commons	Client for free media repository	Yes	Yes	Apache 2.0	4.4+	Old CommonsLab app no longer maintained. Current app is community-developed.^[38]

Application name	Description	Availability		License	API^{[lower-alpha 1]}	Note
Application name	Description	Google Play	F-Droid	License	API^{[lower-alpha 1]}	Note
Avare	GPS aviation application	Yes	Yes	BSD^[39]	4.4+	Complete Aviation EFB & nav app with all official current U.S.A. FAA VFR & IFR charts & data, plus limited free unofficial non-US materials.
CycleStreets	Bicycle navigation using OpenStreetMap	Yes	Yes	GPLv3	6.0+
MAPS.ME	Offline mapping using OpenStreetMap data	Yes	No	Apache 2.0	?
Mozilla Stumbler	Data gathering for Mozilla Location Service	Yes	Yes	MPL2	2.3.3+
Organic Maps	Offline mapping using OpenStreetMap data	Yes	Yes	Apache 2.0	5.0+	Fork of MAPS.ME with proprietary bits removed.
OsmAnd	Offline mapping using OpenStreetMap data	Yes	Yes	GPLv3	2.3+	Only parts of the software are available at no cost, this cause the software to get a few arbitrary limitation as limited portion maps of openstreetmap may be loaded. There is an unlimited paid version. The unlimited version is also available for free on F-Droid.
Navit	Car navigation using OpenStreetMap	Yes	Yes	GPLv2	2.3.3+

Application name	Description	Availability		License	API^{[lower-alpha 1]}	Note
Application name	Description	Google Play	F-Droid	License	API^{[lower-alpha 1]}	Note
BOINC	Participate in distributed grid computing initiatives	Yes	Yes^[40]	LGPL, GPLv3+^[41]	2.3+
Galaxy Zoo	Classify galaxies in crowdsourced astronomy project	Yes	Yes	GPLv3	3.0+
GCompris	Educational activity suite for children aged 2–10	Yes	Yes	GPLv3	?	Member project of KDE
GNU Octave	Scientific programming language syntax with built-in plotting and visualization tools	?	No	GPLv3	?	^[42]^[43]
micro:bit	Interact with a micro:bit device via Bluetooth	Yes^[44]	No^[45]	Apache 2.0^[46]	?	Developed by Samsung.^[47] Depends on proprietary Google frameworks.^[45]
phyphox^[48]	Conduct physics experiments using device sensors	Yes	Yes^[49]	GPLv3^[50]	v3.0	Developed by RWTH Aachen University. Also available for iOS.
PressureNET	Crowd-sourced barometer network	Discontinued	Discontinued	GPLv3	Multi	Service and software discontinued
SageMath	Client for mathematical software	Yes	Yes	GPLv3	2.0+
Sky Map	Planetarium software developed by Google, and Carnegie Mellon	Yes	Yes	Apache 2.0	?	Tracks user telemetry data via Google Analytics^[51]
Stellarium	Planetarium software	Yes	No	GPLv2	?
Sugar environment	One Laptop per Child learning platform	Yes	Yes	Apache 2.0	2.3.3+	Ported as Sugarizer.
AnkiDroid	Flashcard spaced repetition for memorization	Yes	Yes	GPLv3	?