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List of free and open-source Android applications

Toggle the table of contents List of free and open-source Android applications

From Wikipedia, the free encyclopedia

Open Source Android Applications

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

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

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  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.
Office Suites and synchronisation[edit] Application name Description Availability License API[a] Note Google Play F-Droid Collabora Online Office suite with Microsoft Office compatible word processor, spreadsheet, presentation, and vector graphics editor Yes Yes [12] MPLv2 8.0+ An enterprise-ready edition of LibreOffice ownCloud Client for synchronization server Yes Yes [13] GPLv2 7.0+ Nextcloud Client for synchronization server Yes Yes [14] GPLv2 7.1+ Privacy/security focused[edit] Application name Description Availability License API[a] Note Google Play F-Droid APG OpenPGP and key management Yes
Yes[22] Apache 2.0 1.5+ OpenKeychain available as more up-to-date alternative Briar Peer-to-peer encrypted messaging and forums Yes Yes[23] GPLv3 4.0+ Conversations Federated encrypted instant messaging and group chat Yes Yes [24] 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). Uses traditional login/password with any provider account, instead of quicksy/phone number Element (formerly Riot) Decentralised, encrypted chat & collaboration powered by Matrix Yes Yes [16] Apache 2.0 5.0+ I2P Anonymizing network layer Yes Yes [25] Apache 2.0 2.3+ I2P also maintain their own F-Droid repo.[26] IVPN Privacy-focused VPN service Yes Yes [27] GPLv3 ? Also available on Windows, macOS, and iOS; and undergo independent security audit.[28][29] Jami Softphone and messenger utilizing DHT and strong cryptography Yes[30] Yes[31] GPLv3 ? Formerly named "GNU Ring" and "SFLphone". Lantern Peer-to-peer internet censorship circumvention Yes No Apache 2.0 ? Linphone SIP client, plus optional ToIP free service yes can be used with any SIP provider Mozilla VPN VPN service Yes ? MPL 2.0 ? Also available for iOS, Linux, macOS, and Windows Mullvad Privacy-focused VPN service Yes Yes [32] GPLv3 ? Also available for Windows, macOS, and iOS OpenKeychain OpenPGP and key management Yes Yes [33] 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 [34] GPLv3 ? Also available for Windows, macOS, and iOS; and undergo independent security audits.[35] Quicksy privacy-focused and federated secured xmpp client, using phone number Yes yes Equivalent of conversations, interoperable, but using phone number instead of traditional id/password; support both PGP or OMEMO encryption plus Jingle for voice/video communication, and file transfers. 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.[36] Surespot Encrypted instant messaging Yes No [37] GPLv3+ ? Also available for iOS. F-Droid build is based on forked repo. Telegram Client for cloud-based messaging platform Yes Yes [38] GPLv2 2.2+ Also available for iOS. F-Droid build is based on forked repo.[39] Server uses closed source software. Tox Peer-to-peer instant-messaging Yes Yes [40] GPLv3+ 4.0+ Alpha release Tutanota Client for end-to-end encrypted email service Yes Yes [41] GPLv3[42] ? Wire Encrypted instant messaging, voice and video calling Yes Yes GPLv3 ? Also available for iOS, Windows and OS X. Server uses closed source software. Application name Description Availability License API[a] Note Google Play F-Droid COVID Alert Canadian digital contact tracing app Yes No Apache 2.0 ? Also available for iOS [69] DP-3T Protocol and reference implementation of decentralized European contact tracing app ? No MPL 2.0[70] ? Also available for iOS PEPP-PT Protocol and reference implementation of centralized European digital contact tracing app ? No MPL 2.0[71] ? TraceTogether Singaporean contact tracing app ? No GPLv3 ? Available for iOS[72] Data collected is available to police, and may be used in criminal or other types of investigations[73] Application name Description Availability License API[a] Note Google Play F-Droid AntennaPod Podcatcher Yes Yes [74] MIT 2.3.3+ Butter Project Media player utilising the BitTorrent protocol ? ? AGPLv3 ? Jellyfin Client for the Jellyfin Media Server Yes Yes[75] GPLv2+ 5.0+ Kodi (formerly XBMC) Media player and center Yes Yes [76] GPLv2+ Multi Krita Graphics editor for art and animation ? Yes[77] GPLv3 ? Optimized for tablets and may behave poorly on phone screens.[77] Member project of KDE. Popcorn Time Media player utilizing BitTorrent protocol No No GPLv3+
(AGPL exception)[78] ? In Nov. of 2015 PopcornTime.io ceased operations after court order from the MPAA issued in Canada.[79] Ringdroid Ringtone maker Yes Yes Apache 2.0 4.1+ Rockbox Media player ? ? GPLv2+ ? Tribler Decentralized video sharing Yes Yes GPLv3[80] 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 [81] GPLv2+ 4.2+ Wikimedia Commons Client for free media repository Yes Yes [82] Apache 2.0 4.4+ Old CommonsLab app no longer maintained. Current app is community-developed.[83] Application name Description Availability License API[a] Note Google Play F-Droid Avare GPS aviation application Yes Yes BSD[84] 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 [85] 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 [86] Apache 2.0 5.0+ Fork of MAPS.ME with proprietary bits removed. OsmAnd Offline mapping using OpenStreetMap data Yes Yes [87] GPLv3 2.3+ Some of the software is available at no cost. There is an unlimited paid version. Navit Car navigation using OpenStreetMap Yes Yes [88] GPLv2 2.3.3+ Application name Description Availability License API[a] Note Google Play F-Droid FBReader e-book reader Yes Yes GPL 1.5+ iFixit Official iFixit reader Yes Yes GPLv3 2.2+ Kiwix Offline Wikipedia reader Yes Yes GPLv3 4.0+ MuPDF PDF and XPS viewer Yes Yes [89] AGPL 2.2+ Wikipedia Access to Wikipedia Yes Yes [90] GPLv2 2.2+ Wiktionary Client for crowd-sourced dictionary Yes Yes GPLv2 2.2+ XOWA Offline Wikipedia reader Yes Yes AGPLv3 4.4+ Science and education[edit] System and utilities[edit]
  1. ^ a b c d e f g h i j k l m n 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.
  1. ^ https://f-droid.org/en/packages/org.adaway/
  2. ^ a b Multiple sources:
  3. ^ "Learn About Brave and Our Team - Brave Browser". brave.com.
  4. ^ "[Android] Offer support for LineageOS/F-Droid". GitHub. Retrieved May 15, 2025.
  5. ^ "DuckDuckGo Android". June 10, 2022 – via GitHub.
  6. ^ https://f-droid.org/en/packages/org.mozilla.fennec_fdroid/
  7. ^ "Firefox". f-droid.org. F-Droid. Archived from the original on 19 February 2017. Retrieved 7 November 2016.
  8. ^ Archived 2018-03-24 at the Wayback Machine
  9. ^ "Tor Browser - APK Download for Android".
  10. ^ "Guardian Project Fdroid repo". guardianproject.info. Retrieved 18 July 2018.
  11. ^ "Is Tor Browser available on F-droid?". Retrieved 4 December 2019.
  12. ^ "Index of /Downloads/Fdroid/Repo".
  13. ^ https://f-droid.org/en/packages/com.owncloud.android/
  14. ^ https://f-droid.org/en/packages/com.nextcloud.client/
  15. ^ https://f-droid.org/en/packages/org.connectbot/
  16. ^ a b https://f-droid.org/en/packages/im.vector.app/
  17. ^ https://f-droid.org/en/packages/org.jitsi.meet/
  18. ^ https://f-droid.org/repository/browse/?fdid=com.fsck.k9/
  19. ^ https://f-droid.org/en/packages/org.linphone/
  20. ^ https://f-droid.org/en/packages/org.sipdroid.sipua/
  21. ^ "Zulip Mobile". June 10, 2022 – via GitHub.
  22. ^ https://f-droid.org/en/packages/org.thialfihar.android.apg/
  23. ^ "Installing Briar via F-Droid - Briar". briarproject.org.
  24. ^ https://f-droid.org/en/packages/eu.siacs.conversations/
  25. ^ https://f-droid.org/en/packages/net.i2p.android.router/
  26. ^ "I2P Official App Repository". f-droid.i2p.io.
  27. ^ https://f-droid.org/packages/net.ivpn.client/
  28. ^ Yen, Andy (2020-02-10). "IVPN applications are now open source". ivpn.net. IVPN. Retrieved 2020-05-16.
  29. ^ Pestel, Nick (2020-01-23). "Independent security audit concluded". ivpn.net. IVPN. Retrieved 2020-05-16.
  30. ^ "Ring - Apps on Google Play". play.google.com.
  31. ^ "Ring - F-Droid - Free and Open Source Android App Repository". f-droid.org.
  32. ^ https://f-droid.org/packages/net.mullvad.mullvadvpn
  33. ^ https://f-droid.org/en/packages/org.sufficientlysecure.keychain/
  34. ^ https://f-droid.org/en/packages/ch.protonvpn.android
  35. ^ Yen, Andy (2020-01-21). "All ProtonVPN apps are now open source and audited". protonvpn.com. ProtonVPN Technologies AG. Retrieved 2020-05-16.
  36. ^ Greenberg, Andy (2 November 2015). "Signal, the Snowden-Approved Crypto App, Comes to Android". Wired. Condé Nast. Retrieved 27 March 2016.
  37. ^ Archived 2019-02-08 at the Wayback Machine
  38. ^ https://f-droid.org/en/packages/org.telegram.messenger/
  39. ^ "Telegram-FOSS-Team/Telegram-FOSS". GitHub. 21 June 2022.
  40. ^ https://f-droid.org/en/packages/com.zoffcc.applications.trifa/
  41. ^ https://f-droid.org/en/packages/de.tutao.tutanota/
  42. ^ mpfau (12 August 2014). "tutanota/LICENSE.txt". github.com/tutao/tutanota. Tutao GmbH. Retrieved 13 October 2018.
  43. ^ RetroArch / COPYING. github.com. Retrieved 19 August 2015.
  44. ^ https://f-droid.org/en/packages/com.termux/
  45. ^ "2048 - Apps on Google Play".
  46. ^ https://www.f-droid.org/en/packages/com.uberspot.a2048/
  47. ^ https://f-droid.org/packages/it.alessandropira.wesnoth114/
  48. ^ "F-Droid Search: Dungeon crawl stone".
  49. ^ "F-Droid Search: Fish fillet".
  50. ^ "F-Droid Search: Freeciv".
  51. ^ https://f-droid.org/es/packages/org.jfedor.frozenbubble/
  52. ^ "F-Droid Search: H-craft".
  53. ^ https://f-droid.org/en/packages/com.roguetemple.hyperroid/
  54. ^ https://f-droid.org/en/packages/net.minetest.minetest/
  55. ^ "F-Droid Search: Openarena".
  56. ^ a b c d "pelya/commandergenius". GitHub. 14 June 2022.
  57. ^ "F-Droid Search: Openttd".
  58. ^ Linux Magazine Issue #220 / Mar 2019 FOSS Picks
  59. ^ https://f-droid.org/en/packages/com.watabou.pixeldungeon/
  60. ^ "F-Droid Search: Tyrian".
  61. ^ "F-Droid Search: Ur-quan".
  62. ^ a b "COPYING". sourceforge.net/p/sc2/. The Ur-Quan Masters Git Repository. Retrieved 13 October 2018.
  63. ^ "The Ur-Quan Masters Project FAQ - Ultronomicon". wiki.uqm.stack.nl.
  64. ^ fetlife/android/README.md. GitHub.
  65. ^ "FetLife for iOS". June 12, 2022 – via GitHub.
  66. ^ android.texi (texinfo). git.savannah.gnu.org. Retrieved 17 October 2023.
  67. ^ "Emacs machines list".
  68. ^ Archived 2019-02-12 at the Wayback Machine
  69. ^ "COVID Alert Mobile App". June 2, 2022 – via GitHub.
  70. ^ "DP^3T". GitHub.
  71. ^ "PEPP-PT". GitHub.
  72. ^ "OpenTrace iOS App". April 16, 2022 – via GitHub.
  73. ^ Andreas Illmer (5 January 2021). Singapore reveals Covid privacy data available to police. BBC News, Singapore.
  74. ^ https://f-droid.org/en/packages/de.danoeh.antennapod/
  75. ^ "Fdroid - Jellyfin - your media in your hands!".
  76. ^ https://f-droid.org/en/packages/org.xbmc.kore/
  77. ^ a b F-Droid.org | Krita Retrieved 20 September 2023.
  78. ^ Popcorn Time Foundation. android / LICENSE.md. git.popcorntime.io. Retrieved 19 August 2015. Archived September 7, 2015, at the Wayback Machine
  79. ^ Gardner, Eriq (3 November 2015). "MPAA Touts Big Legal Success Against Popcorn Time". The Hollywood Reporter. Retrieved 23 November 2015.
  80. ^ "Tribler Android - Beta Port". GitHub. tribler-android/LICENSE.txt.
  81. ^ https://f-droid.org/en/packages/org.videolan.vlc/
  82. ^ https://f-droid.org/en/packages/fr.free.nrw.commons/
  83. ^ "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)
  84. ^ apps4av (Oct 5, 2016). apps4av / avare / License; commit 02924c7. github.com.
  85. ^ https://f-droid.org/en/packages/net.cyclestreets/
  86. ^ https://f-droid.org/en/packages/app.organicmaps
  87. ^ https://f-droid.org/en/packages/net.osmand.plus/
  88. ^ https://f-droid.org/en/packages/org.navitproject.navit/
  89. ^ https://f-droid.org/en/packages/com.artifex.mupdf.viewer.app/
  90. ^ https://f-droid.org/en/packages/org.wikipedia/
  91. ^ f-droid.org package for edu.berkeley.boinc. Retrieved 23 May 2023.
  92. ^ 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.
  93. ^ Champion, Corbin. "corbinlc/octave4android". github.com. Retrieved 5 February 2019.
  94. ^ Treichl, Thomas (21 October 2013). "Octave on Android". Octave Maintainers mailinglist. Archived from the original on 7 February 2019. Retrieved 5 February 2019.
  95. ^ "micro:bit - Apps on Google Play". play.google.com.
  96. ^ a b "Request for adding the official BBC micro:bit application". 2018-07-26. Retrieved 2018-07-28.
  97. ^ "License text in source code repository". GitHub. Retrieved 2018-07-27.
  98. ^ "Samsung Launches the Official BBC micro:bit App". 2016-02-17. Retrieved 2018-07-29.
  99. ^ 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.
  100. ^ "F-Droid phyphox". F-Droid Contributors. 2023. Retrieved 27 November 2023.
  101. ^ "phyphox Android General Public License". GitHub. 29 June 2007. Retrieved 27 November 2023.
  102. ^ https://f-droid.org/en/packages/com.google.android.stardroid/
  103. ^ "Sky Map". June 8, 2022 – via GitHub.
  104. ^ "Guardian Project Official App Repository". guardianproject.info.
  105. ^ "Haven: Keep Watch". Guardian Project. 1 March 2017. Retrieved 27 November 2023.
  106. ^ Timm, T. (22 December 2017). "Introducing Haven, the open source security system in your pocket". Freedom of the Press Foundation. Retrieved 27 November 2023.
  107. ^ https://f-droid.org/en/packages/com.kunzisoft.keepass.libre/
  108. ^ https://f-droid.org/en/packages/com.google.zxing.client.android/
  109. ^ https://f-droid.org/en/packages/org.fdroid.fdroid/
  110. ^ https://f-droid.org/en/packages/org.libreoffice.impressremote/
  111. ^ F-Droid - Impress Remote. f-droid.org. Retrieved 3 September 2015.
  112. ^ "Intra". June 13, 2022 – via GitHub.
  113. ^ "Mycroft-Android". June 7, 2022 – via GitHub.
  114. ^ "TeamWin/Team-Win-Recovery-Project". June 13, 2022 – via GitHub.

There are a number of third-party maintained lists of open-source Android applications, including:

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