Open Source Android Apps

OrdinaryAlien
OrdinaryAlienList by OrdinaryAlien, last updated 2021-10-14
  1. OpenBoard icon

    OpenBoard is a 100% foss keyboard based on AOSP, with no dependency on Google binaries, that respects your privacy.

    • ...
    OpenBoard screenshot 1
    OpenBoard screenshot 2
    OpenBoard screenshot 3
  2. LineageOS icon

    A free and open-source operating system for smartphones and tablet computers, based on the Android mobile platform. It is the successor to the highly popular custom ROM CyanogenMod, from which it was forked in December 2016 when Cyanogen Inc.

    • Mobile OS
    • FreeOpen Source
    • Android
    • Android Tablet
    • ...
    Homescreen
    Notification Shade
    Settings
  3. Aurora Store icon

    Aurora Store is an unofficial, FOSS client to Google's Play Store with an elegant design. Not only does Aurora Store download, update, and search for apps like the Play Store, it also empowers the user with new features.

    • App Store
    • FreeOpen Source
    • Android
    • Android Tablet
    • F-Droid
    • ...
    Aurora Store screenshot 1
    Aurora Store screenshot 2
    Aurora Store screenshot 3
  4. Simple Camera icon

    A simple camera with zooming, capable of taking photos and recording videos, with customizable save folder. The resolutions can be limited by mpx, aspect ratio can be set too. Provides a nice and clean UI.

    • Camera App
    • FreeProprietary
    • Android
    • Android Tablet
    • F-Droid
    • ...
    Simple Camera screenshot 1
    Simple Camera screenshot 2
    Simple Camera screenshot 3
  5. LTE Cleaner icon

    Tired of the abundance of phone cleaners on the play store? Tired of them being extremely shady? Tired of them doing nothing? Tired of having to pay? Me too.

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    LTE Cleaner screenshot 1
    LTE Cleaner screenshot 2
    LTE Cleaner screenshot 3
  6. SnoopSnitch icon

    Collects and analyses mobile radio data to make you aware of your mobile network security and to warn you about threats like fake base stations (IMSI catchers), user tracking, and SS7 attacks.

    • FreeOpen Source
    • Android
    • ...
    SnoopSnitch screenshot 1
    SnoopSnitch screenshot 2
    SnoopSnitch screenshot 3
  7. Open Note Scanner icon

    This little application provides a way on scanning handwritten notes and printed documents.

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    Open Note Scanner screenshot 1
    Open Note Scanner screenshot 2
    Open Note Scanner screenshot 3
  8. SuperFreezZ icon

    Android app making it possible to entirely freeze all background activities of any app.

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    SuperFreezZ screenshot 1
    SuperFreezZ screenshot 2
    SuperFreezZ screenshot 3
  9. Flym icon

    Flym News Reader is a light, modern, totally free (no ads) and opensource project which keeps you inform by fetching your websites/blogs and displaying them in a mobile-optimized way.

    • ...
    Flym screenshot 1
  10. Voice icon

    You just add your main audiobook folder and every folder in there will be recognised as a single book. That keeps your library simple and tidy.

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    Voice screenshot 1
    Voice screenshot 2
    Voice screenshot 3
  11. RedReader icon

    RedReader - An unofficial open source Reddit client for Android.

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    RedReader screenshot 1
  12. FreeOTP+ (fork of FreeOTP) icon

    FreeOTP+ is a fork of FreeOTP with an updated user interface and with backup/restore functionality (to external files or via built-in Android backup/restore).

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    FreeOTP+ (fork of FreeOTP) screenshot 1
    FreeOTP+ (fork of FreeOTP) screenshot 2
  13. Shelter icon

    Shelter is a Free and Open-Source (FOSS) app that leverages the “Work Profile” feature of Android to provide an isolated space that you can install or clone apps into.

    • FreeOpen Source
    • Android
    • Android Tablet
    • F-Droid
    • ...
    Shelter screenshot 1
    Shelter screenshot 2
  14. Island icon

    Sandbox environment to clone selected apps and isolate them from accessing your personal data.

    • FreeOpen Source
    • Android
    • ...
    Island screenshot 1
    Island screenshot 2
    Island screenshot 3
  15. Barcode Scanner icon

    Scan barcodes on CDs, books, and other products, then look up prices and reviews, or search for a word in a book and find where it occurs. You can also scan QR Codes containing URLs, contact info, calendar events, and more.

    • ...
    Focusing on QR code on monitor
  16. Magisk icon

    Installing Magisk will give you ROOT, a super powerful Systemless Interface, Magisk Modules support, and hide from tons of integrity tests like SafetyNet!.

    • FreeOpen Source
    • Android
    • Android Tablet
    • ...
    Magisk screenshot 1
  17. Pixelesque icon

    Pixelsque's goal is to be as simple as possible, while still retaining many powerful features. It works like any standard pixel art editor, with a pen, eraser, and shapes. Pinch zoom and two finger drag can be used to move around the image from anywhere.

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    Pixelesque screenshot 1
  18. Bitwarden icon

    Bitwarden is the easiest and safest way to store your logins and passwords across all of your devices (iOS, Android, Chrome, Firefox, Opera, Windows, Mac, Linux, and more). Bitwarden is FREE and open source.

    • Password Manager
    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Apple Watch
    • Snapcraft
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Flathub
    • Microsoft SQL Server
    • Tor Browser
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    • Opera
    • Chocolatey
    • Mono
    • Brave
    • Mozilla Firefox
    • ...
    Desktop app on macOS
  19. QKSMS icon

    QKSMS brings a refreshingly beautiful and responsive Material Design touch to the stale state of text messaging.

    • FreemiumOpen Source
    • Android
    • Android Tablet
    • F-Droid
    • ...
    QKSMS screenshot 1
    QKSMS screenshot 2
    QKSMS screenshot 3
  20. Mycroft icon

    Mycroft is an open source voice assistant, that can be installed on Linux, Raspberry Pi, or on the Mark 1 hardware device.

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    Mycroft screenshot 1
  21. F-Droid icon

    The F-Droid Repository is an easily-installable catalogue of free and open source apps for Android. With F-Droid, it's easy to browse and install apps on your device, and keep track of updates. You can also browse the repository with a web browser, and download the app...

    • App Store
    • FreeOpen Source
    • Online
    • Android
    • Android Tablet
    • ...
    F-Droid screenshot 1
    F-Droid screenshot 2
    F-Droid screenshot 3
  22. Yalp Store icon

    Yalp Store lets you download apps from Google Play Store as apk files. It can search for updates of installed apps and lets you search for other apps. Yalp saves downloaded apks to your default download folder.

    • App Store
    • FreeOpen Source
    • Android
    • Android Tablet
    • ...
    Details page
    Updates page
    Search page
  23. NewPipe icon

    NewPipe is a lightweight YouTube front-end for Android. Also YouTube Music . Beta support for SoundCloud , .

    • YouTube Client
    • FreeOpen Source
    • Android
    • SoundCloud
    • YouTube Music
    • Bandcamp
    • YouTube
    • F-Droid
    • PeerTube
    • ...
    Trending,
  24. SkyTube icon

    SkyTube is an app that lets you watch YouTube videos on your Android device without ads, sign-in, or Google services. It has some features that the official YouTube app does not have, such as:

    • YouTube Client
    • FreeOpen Source
    • Android
    • Android Tablet
    • YouTube
    • F-Droid
    • Android TV
    • ...
    SkyTube screenshot 1
    SkyTube screenshot 2
    SkyTube screenshot 3
  25. Bromite icon

    Bromite is a Chromium fork with support for ad blocking and enhanced privacy.

    • Web Browser
    • FreeOpen Source
    • Android
    • Android Tablet
    • F-Droid
    • ...
    Bromite screenshot 1
    Bromite screenshot 2
    Bromite screenshot 3
  26. KISS Launcher icon

    KISS is a fast launcher for your Android. Search through your apps, contacts and settings lightning fast.

    • ...
    KISS Launcher screenshot 1
    KISS Launcher screenshot 2
    KISS Launcher screenshot 3
  27. OpenLauncher icon

    This an open source Android launcher project, started from scratch. We aim to create a powerful and community driven Android launcher.

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    OpenLauncher screenshot 1
    OpenLauncher screenshot 2
    OpenLauncher screenshot 3
  28. Termux icon

    Ready to go. Termux works directly with no rooting or setup required. At first start a minimal base system is installed automatically - you decide what to do next.

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    htop running natively
  29. ConnectBot icon

    ConnectBot is a Secure Shell client for the Android platform. Its ultimate goal is to create a secure connection through which you can use a shell on a remote machine and transfer files back and forth to your phone.

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    ConnectBot screenshot 1
  30. Cryptonite icon

    Cryptonite brings EncFS and TrueCrypt to Android. You can browse, export and open EncFS-encrypted directories and files on your Dropbox and on your phone. On rooted phones that support FUSE (e.g. CyanogenMod) you can also mount EncFS and TrueCrypt volumes.

    • FreeOpen Source
    • Android
    • Android Tablet
    • ...
    Main screen
  31. Joplin icon

    Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor.

    • Note-taking Tool
    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • AppImageHub
    • Snapcraft
    • Google Chrome
    • Flathub
    • PortableApps.com
    • Cloudron
    • Homebrew
    • Chocolatey
    • Termux
    • Mozilla Firefox
    • ...
    Desktop and mobile apps
  32. Proton Mail icon

    Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.

    • WebMail Provider
    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
    • ...
    Proton Mail screenshot 1
  33. K-9 Mail icon

    K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.

    • Email Client
    • FreeOpen Source
    • Android
    • Android Tablet
    • F-Droid
    • ...
    K-9 Mail screenshot 1
  34. FBReader icon

    E-reader application.

    • Ebook Reader
    • FreemiumProprietary
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • ...
    FBReader screenshot 1
    FBReader screenshot 2
  35. LibreOffice icon

    LibreOffice is a free and open-source office suite that is compatible with other major office suites, and is available on all operating systems. It is an independently-developed version of the OpenOffice.org suite.

    • Office Suite
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • Flathub
    • PortableApps.com
    • ...
    LibreOffice Writer on Linux
  36. MuPDF icon

    MuPDF is a highly versatile, customizable PDF and XPS interpreter solution that can be used across a wide range of applications as a PDF renderer, viewer, or toolkit.

    • PDF Reader
    • FreeOpen Source
    • Windows
    • Linux
    • Android
    • F-Droid
    • Xfce
    • ...
    MuPDF screenshot 1
  37. LibreTorrent icon

    LibreTorrent is a Free as in Freedom torrent client for Android 4 and later, based on libtorrent. Download and share files directly on your device.

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    LibreTorrent screenshot 1
  38. Orbot icon

    Orbot is a freely licensed open-source application developed for the Android platform. It acts as a front-end to the Tor binary application, and also provides an HTTP Proxy for connecting web browsers and other HTTP client applications into the Tor SOCKS interface.

    • VPN Service
    • FreeOpen Source
    • Mac
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • ...
    Orbot screenshot 1
    Orbot screenshot 2
    Orbot screenshot 3
  39. AFWall+ icon

    Firewall (iptables frontend), based on DroidWall which is no longer being developed. A paid "donate"-version with more features it advertised within the app.

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    AFWall+ screenshot 1
    AFWall+ screenshot 2
    AFWall+ screenshot 3
  40. Haven icon

    Haven is for people who need a way to protect their personal spaces and possessions without compromising their own privacy. It is an Android application that leverages on-device sensors to provide monitoring and protection of physical spaces.

    • FreeOpen Source
    • Android
    • ...
    Haven screenshot 1
    Haven screenshot 2
    Haven screenshot 3
  41. OpenKeychain icon

    OpenKeychain helps you communicate more privately and securely. It uses high-quality modern encryption to ensure that your messages can be read only by the people you send them to, others can send you messages that only you can read, and these messages can be digitally signed so...

    • FreeOpen Source
    • Android
    • Android Tablet
    • K-9 Mail
    • ...
    OpenKeychain screenshot 1
    OpenKeychain screenshot 2
    OpenKeychain screenshot 3
  42. AdAway icon

    An ad blocker that uses the hosts file. The hosts file contains a list of mappings between hostnames and IP addresses. When an app requests an ad, that request is directed to 127.0.0.1 which does nothing.

    • Ad Blocker
    • FreeOpen Source
    • Android
    • Android Tablet
    • F-Droid
    • ...
    AdAway screenshot 1
    AdAway screenshot 2
    AdAway screenshot 3
  43. AntennaPod icon

    A free and open source podcastmanager for Android, allowing you to subscribe to podcasts (via iTunes database & OPML), automatically download episodes using powerful mechanisms and listen to them the way you like (speed, balance adjustments, etc).

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    AntennaPod screenshot 1
    AntennaPod screenshot 2
    AntennaPod screenshot 3
  44. Slide for Reddit icon

    Slide for Reddit is a rock-solid material-designed unofficial browser for Reddit with an easy to use UI and tons of customization. Slide is ad-free, open source, and is packed with many unique features.

    • FreeOpen Source
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • ...
    Slide for Reddit screenshot 1
    Slide for Reddit screenshot 2
    Slide for Reddit screenshot 3
  45. Transportr icon

    Transportr is the public transport companion that respects your privacy and your freedom. Transportr is a non-profit app developed by people around the world to make using public transport as easy as possible wherever you are.

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    Transportr screenshot 1
    Transportr screenshot 2
    Transportr screenshot 3
  46. OsmAnd icon

    OsmAnd is a map and navigation application with access to the free, worldwide, and high-quality OpenStreetMap data.

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    OsmAnd screenshot 1
    OsmAnd screenshot 2
    OsmAnd screenshot 3
  47. MAPS.ME icon

    MAPS.ME offers the quickest offline maps of all the countries of the world. Travel with full confidence: wherever you are, MAPS.ME addresses all your offline mapping needs.

    • Map Service
    • FreemiumProprietary
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • OpenStreetMap
    • Kindle Fire
    • ...
    MAPS.ME screenshot 1
    MAPS.ME screenshot 2
    MAPS.ME screenshot 3
  48. Signal icon

    Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.

    • Instant Messenger
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Flathub
    • Ubuntu
    • Debian
    • ...
    Signal screenshot 1
  49. Tachiyomi icon

    Ad-free, open-source manga hub for Android with robust language support and privacy-centric design.

    • ...
    Main Library; Light Theme
    Main Library with tag; Dark Theme
    Installed Source page
  50. Financius - Expense Manager icon

    Financius - Expense Manager is a simple application that helps you log and track your expenses and keep an eye on your balance.

    • ...
    Financius - Expense Manager screenshot 1
    Financius - Expense Manager screenshot 2
    Financius - Expense Manager screenshot 3

This list was created by OrdinaryAlien Mar 12, 2018 and was last updated Oct 14, 2021. The list has 50 apps.

You can create your own lists from our large database of apps either for your own sake or if you want to share some great apps with other people.


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