Liberate your Android

This is a list of Alternative and Open Source Android Apps and OS I could recommend because I use most of them since November 2013 under Paranoid Android with a Nexus 5.

Most of these apps are available via F-Droid.

  • AntennaPod icon


    Free Android Website

    A podcast manager allowing you to subscribe and download automatically your favorite podcasts.


  • AOKP icon


    Free Android Android Tablet Website

    If you're serious about degooglelising you're phone than replace the ROM.


  • DAVdroid icon


    Free Android Android Tablet Website

    Sync you're calendar, contacts and notes with your cloud.


  • DiskUsage icon


    Free Android Website

    DiskUsage provides a way to find out which files and directories on the SD card of your Android phone are consuming the most space. It displays diagram with directories/subdirectories proportional to their size. Users are allowed to zoom in to look at specific directory content.


  • Document Viewer icon

    Document Viewer

    Free Android Android Tablet Website

    A fork of the last GPL version of Small EBookDroid iconEBookDroid. Supports the following formats:

    XPS (OpenXPS)
    Comic Books (cbz) (NO support for cbr (rar compressed))
    FictionBook (fb2,

    Collaboration with electronic publication sites and access to online ebook catalogs is allowed by the supported OPDS protocol.


  • F-Droid icon


    Free Web Android Android Tablet Website

    A good start to degooglelising you're apps and android is to replace the Google Play store.


  • FreeOTP icon


    Free Android iPhone Android Tablet iPad Website

    One Time Password manager to replace Google Authenticator.


  • K-9 Mail icon

    K-9 Mail

    Free Android Android Tablet Website

    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.


  • Kimai icon


    Free Mac OS X Windows Linux Web Self-Hosted Website

    Kimai is a free open source timetracker. It tracks work time and prints out a summary of your activities on demand. Yearly, monthly, daily, by customer, by project, by action …

    It’s simplicity is its strength. Due to Kimai’s web browser based interface it runs cross-platform. Likewise you can install it as a web service or as a single-user program on your local workstation.


  • Mozilla Firefox icon

    Mozilla Firefox

    Free Mac OS X Windows Linux Android iPhone ... Android Tablet BSD iPad Haiku Website

    Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite. Firefox is highly extensible, with thousands of third-party add-ons available.


  • Nextcloud icon


    Free Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Cloudron Website

    Help you to sync your data, calendar, contact and note like we do with Google Cloud and Apple iCloud.


  • NewPipe icon


    Free Android YouTube Website

    NewPipe is a lightweight YouTube front-end for Android.

    It doesn't need the YouTube-API or any Google Play Services, as NewPipe only parses the YouTube website in order to gain the information it needs.
    Therefore this app can be used on devices without Google Services installed. Also, you don't need a YouTube account to use NewPipe, and it's FLOSS.


    Search videos
    Display general information about a video
    Watch YouTube videos
    Listen to YouTube videos (experimental)
    Select the streaming player to watch the video with
    Download videos
    Download audio only
    Open a video in Kodi
    Show Next/Related videos
    Search YouTube in a specific language
    Watch age restricted material
    Display general information about channels


  • OpenMentoring icon


    Free Android Website

    Helps access and share practical educational content on digital security

    This app exists as a part of a digital platform which will provide essential digital security information.

    The platform aims to provide:

    Concise and easy to understand content
    The ability to browse and search for specific content
    Adaptive content that supports self-guided learning
    Selective downloading of content for limited data usage and offline reading
    Multi-platform access, including older Android versions
    Anonymous access to content and no identifiable user data

    Open Mentoring exists as a learning content delivery system within a broader ecosystem of content which includes adapting content and establishing partnerships with sources such as: Security in a Box by the Tactical Technology Collective, The Umbrella app by Security First, The Story Maker app by Free Press Unlimited, Scalio, and the Guardian Project, SSD by the Electronic Frontier Foundation, The Digital First Aid Kit by the Digital Defenders Partnership, Level Up by Internews, the Panic Button app by iilab, TOTEM by Greenhost.


  • Shaarli icon


    Free Mac OS X Windows Linux Web Self-Hosted ... Cloudron Website

    Do you want to share the links you discover? Shaarli is a minimalist delicious clone that you can install on your own server. It is designed to be personal (single-user), fast and handy.


  • icon

    Free Android Kindle Fire Website

    Protect your communication in transit and on your phone. SMSSecure is a full replacement for the default text messaging application: all messages are encrypted locally and messages to other SMSSecure users are encrypted over the air.


  • Telegram icon


    Free Mac Windows Linux Web Windows Mobile ... Android iPhone Blackberry Android Tablet BSD Windows Phone iPad Apple Watch Android Wear FreeBSD Website

    Telegram is a messaging app created by former Small VK iconVK creators with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful.

    You can send messages, photos and videos to people who are in your phone contacts (and have Telegram). You can also create groups for up to 20000 people or channels for unlimited subscribers.

    For those interested in maximum privacy, Telegram added Secret Chats, featuring end-to-end encryption to ensure that a message can only be read by its intended recipient.

    Telegram's client-side code is open-source software, whereas its server-side code is closed-source and proprietary. The service also provides public APIs with which developers can access the same functionality as Telegram's official apps to build their own messaging applications.

    Telegram also provides a bot API for programmers to create different kinds of Telegram bots. Bots are simply Telegram accounts operated by software – not people – and they'll often have AI features. They can do anything – teach, play, search, broadcast, remind, connect, integrate with other services, or even pass commands to the Internet of Things.


  • TTRSS-Reader icon


    Free Android Android Tablet Website

    TTRSS-Reader is a client application for the project Small Tiny Tiny RSS iconTiny Tiny RSS , a PHP-based online feedreader which runs on your own webspace. If you want to host your own feedreader, want a cross-device-solution and don't want to use Small Google Reader iconGoogle Reader this is your app! TTRSS-Reader offers automatic update on startup, filtering articles by status and efficient browsing through categories and the virtual categories "Fresh", "Starred" and "Published Articles" as well as Labels which you can define by yourself. You can browse the articles offline when they have been synchronized before and the ImageCache can be used to pre-load all included images from the articles too.


    • Swipe for faster browsing
    • Mark everything (whole category or all categories) as read
    • Navigate through articles with gestures or volume-buttons
    • View/download images/videos/music attached to Articles
    • Cache articles and images locally
    • Share URLs
    • Easily mark things as read, starred or publish/comment them
    • SSL-Support with self-signed certificates
    • Fast JSON-Parsing with stream-based parser GSON
    • Scheduled updates via Tasker/Locale
    • Layout optimized for tablets
    • Dark and light themes available
    • many more, Changelog and Feature-List can be found on the project-page...


  • VLC Media Player icon

    VLC Media Player

    Free Mac Windows Linux Android iPhone ... Chrome OS Windows S Android Tablet BSD Windows Phone iPad Apple Watch Apple TV Kindle Fire Haiku Xbox Website

    VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols.


    Simple, fast and powerful media player.
    Plays everything: Files, Discs, Webcams, Devices and Streams.

    Plays most codecs with no codec packs needed:
    MPEG-2, DivX, H.264, MKV, WebM, WMV, MP3...


  • VyprVPN icon


    Commercial Mac OS X Windows Linux Android iPhone ... Android Tablet iPad Website

    VyprVPN is a fast and secure way to browse the web. VyprVPN replaces your real IP address with an IP address from one of their many worldwide VPN server clusters protecting your privacy while online.

    All plans include VyprDNS, Golden Frog's own encrypted, Zero-Logging DNS service which replaces the need for 3rd party DNS and defeats censorship via DNS man-in-middle-attacks or filtering.

    Chameleon proprietary protocol is proven to help users that live in or travel to countries such as China, Russia and Turkey.

    Mac, Windows, Android, iOS and Linux.

    With VyprVPN active, all Internet communication from your PC gets encrypted and sent through VyprVPN's servers. Sites that try to identify you by your IP address get VyprVPN's IP address instead. If they attempt geo-location, they'll get VyprVPN's location.

    VyprVPN unblocks websites that are restricted due to your IP location. You can experience the Internet as if you are browsing from any of their server locations which are placed strategically around the world.

    Desktop apps for Windows and Mac.

    VyprVPN mobile apps for iOS and Android

    Free Cyphr Encrypted Messaging.

    Desktop, mobile and web apps available.

    PayPal accepted!


  • wallabag icon


    Free Windows Linux Web Android iPhone ... Windows RT Android Tablet Windows Phone iPad Self-Hosted Chrome Cloudron Opera Firefox Website

    wallabag is an opensource self hostable application for saving web pages.

    Comfortable reading

    wallabag extracts the article's content (and only its content!) and displays it in a comfortable view.
    Moreover, wallabag is responsive: you can read your articles on your smartphone or your tablet.

    Applications for smartphone

    Android, iOS or Windows Phone: wallabag application is available for your smartphone.
    It's so easy to read your saved articles on your phone. And it also works when you're offline!

    Migrate from other services

    If you already have an account on Pocket©, Readability©, Instapaper© or even wallabag, you can import your data into wallabag.

    Retrieve your articles easily thanks to filters

    wallabag provides a powerful tool to filter your saved articles. It's so easy to look for them.

    Available in your language

    wallabag is translated into more than ten languages. If yours is not yet available, please help translate.

    Keep your data

    All your data belongs to you. You can download all your articles in many formats: PDF, ePUB, .mobi, JSON, CSV, txt or HTML.


  • Wifi Analyzer icon

    Wifi Analyzer

    Free Android Android Tablet Website

    Wifi Analyzer is a handy tool which helps you to select a better channel for your wireless router. It turns you android phone into a handy Wi-Fi analyzer!

    App Permissions (from Google Play)

    Version 3.8.5 can access:
    -modify or delete the contents of your USB storage
    -test access to protected storage
    -view Wi-Fi connections
    -connect and disconnect from Wi-Fi
    -prevent device from sleeping
    -full network access
    -view network connections
    -install shortcuts


  • Zoiper icon


    Free Personal Mac OS X Windows Linux Web Android ... iPhone Windows Phone Website

    Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications systems and infrastructure.

    Zoiper Classic BIZ provides secure high-quality voice calls and conference, fax sending and receiving functionality, and enhanced IP-calling features wrapped in a compact interface and small download size.


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