Android Open Source


  • OpenBoard

    Free Android Android Tablet Website

    On-screen keyboard with no dependency on Google binaries.

     

    OpenBoard  icon
  • Tasks

    Free Android Android Tablet F-Droid Website

    Great app for task management (can be synced).

     

    Tasks icon
  • Jitsi Meet

    Free Web Android iPhone Android Tablet iPad ... Self-Hosted Apple Watch Website

    Go ahead, video chat with the whole team. In fact, invite everyone you know. Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free — with no account needed.

    What else can you do with Jitsi Meet?

    • Share your desktop, presentations, and more
    • Invite users to a conference via a simple, custom URL
    • Edit documents together using Etherpad
    • Pick fun meeting URLs for every meeting
    • Trade messages and emojis while you video conference, with integrated chat.

    Jitsi Meet is packed with premium features.
    Yep, it’s free — and it’s technologically advanced, too. In fact, Jitsi Meet:

    • Sounds better, thanks to HD audio with Opus
    • Is anonymous: No need for an account, ever!
    • Keeps conversations private with encryption by default (and advanced security settings)
    • Is developer-friendly: Modify and customize it to your heart’s content. It’s 100% open source.

     

    Jitsi Meet icon
  • OpenKeychain

    Free Android Android Tablet K-9 Mail Website

    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 the people getting them are sure who sent them. OpenKeychain is based on the well established OpenPGP standard making encryption compatible across your devices and operating systems.

    Modern encryption is based on digital “keys”. OpenKeychain stores and manages your keys, and those of the people you communicate with, on your Android. It also helps you find others’ keys online, and interchange keys by touching devices. But its most frequent use is in using those keys to encrypt and decrypt messages.

     

    OpenKeychain icon
  • DAVx5

    Commercial Android Android Tablet Website

    Sync your contacts, calendars and tasks.

    Two-way sync: Manage and synchronize address books, calendars and task lists with a single app.
    Secure & reliable: Designed for simplicity, security and privacy. Modern GUI.
    Seamless integration: Works with your favorite calendar and contacts app.

    Protect your privacy while keeping the convenience of modern smartphones. Store your data safely and stay in sync – with DAVx5.
    DAVx5 is not only about getting back control over your data. In the same way it also opens new possibilities of working and living together in a digital world. We've put some of the examples here to let you know what can be achieved with DAVx5 and how life can be made easier without losing control over your data.

     

    DAVx5 icon
  • Tutanota

    Freemium Web Android iPhone iPad Self-Hosted ... F-Droid Website

    Tutanota is a free and open source web-mail client that focuses on privacy and security. It has open source iOS and an Android apps. The Android app is published on F-Droid (which means the app does not use Google's push notification system) making it a great option if you want to de-Google your life. All data is stored encrypted and can not be searched, i.e. for commercial use. It offers dead easy end-to-end encryption.

    1 GB of storage is free for everyone.

    Easy - one password for everything
    Tutanota wants to provide the easiest-to-use and most secure email client. You do not have to fiddle with multiple passwords for signing in and for encryption/decryption. The state-of-the-art encryption technology handles all the encryption and decryption complexities. Still: Your password only belongs to you. It is being hashed and salted locally before being transmitted to the servers.

    Only you with your password have access to your encrypted data, profiling is impossible. Tutanota combines security with ease-of-use so that everybody can use end-to-end encryption. Now you can take back your privacy easily!

     

    Tutanota icon
  • KDE Connect

    Free Mac Windows Linux Android Android Tablet Website

    KDE Connect is a project that aims to communicate all your devices. For example, with KDE Connect you can receive your phone notifications on your computer, or just use your phone as a remote control for your desktop. To achieve this, KDE Connect implements a secure communication protocol over the network, and allows any developer to create plugins on top of it. Currently there are KDE Connect clients on KDE, Android and Blackberry, and soon we will support iPhone as well.

     

    KDE Connect icon
  • Nextcloud

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

    A safe home for all your data – Access & share your files, calendars, contacts, mail & more from any device, on your terms.

     

    Nextcloud icon
  • Nextcloud Notes

    Free Web Android Android Tablet Self-Hosted Website

    The Notes app is a distraction free notes taking app. It provides categories for better organization and supports formatting using Markdown syntax. Notes are saved as files in your Nextcloud, so you can view and edit them with every Small Nextcloud iconNextcloud client. Furthermore, a separate RESTful API allows for an easy integration into third-party apps (currently, there are notes apps for Android and iOS which allow convenient access to your Nextcloud notes). Further features include marking notes as favorites.

     

    Nextcloud Notes icon
  • Aegis Authenticator

    Free Android Website

    Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.

     

    Aegis Authenticator icon



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