Showing 323 open source projects for "email/android"

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  • 1
    Thunderbird for Android

    Thunderbird for Android

    Open Source Email App for Android (fka K-9 Mail)

    Thunderbird Android is the mobile counterpart of the popular Thunderbird email client, reimagined for Android phones and tablets so users can access, send, and organize email from multiple accounts with advanced features found in desktop clients. It embraces modern mobile UI design while supporting robust email protocols (IMAP/POP3) and standards like OAuth for secure logins to services such as Gmail, Outlook, or custom mail providers.
    Downloads: 7 This Week
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  • 2
    Proton Mail for Android

    Proton Mail for Android

    Proton Mail Android app

    Proton Mail for Android is the official mobile application that lets users access their Proton Mail encrypted email accounts securely on Android devices, providing the full suite of messaging features while preserving end-to-end encryption and user privacy. Designed for modern Android phones and tablets, the app lets users send, receive, organize, and search encrypted emails, create new Proton accounts, manage multiple accounts, and apply labels or folders to keep messages tidy — all within a responsive, touch-optimized interface. ...
    Downloads: 5 This Week
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  • 3
    Session for Android

    Session for Android

    A Decentralized, Onion Routed, Private Messenger

    Session Android is the official mobile client for Session, a privacy-first messaging protocol that enables secure, anonymous messaging without requiring phone numbers, email addresses, or centralized user accounts. Built natively for Android, the app lets users send and receive end-to-end encrypted text messages, voice notes, images, and attachments in both one-on-one and group chats, all while routing data through a decentralized onion-routing network designed to protect not just message content but also metadata like sender ID, timing, and network location. ...
    Downloads: 15 This Week
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  • 4
    Telegram for Android

    Telegram for Android

    Telegram messenger for Android

    Telegram is a wonderful and private messaging app that offers simple, fast, secure and synced messaging for all your devices. It delivers messages faster than any other application; cloud-based so you can access your messages from any device; and very secure, with messages heavily encrypted and could even self-destruct. Telegram is simple and fun to use, with powerful photo and video editing tools as well as an open sticker/GIF platform to let you express yourself fully. It’s also...
    Downloads: 13 This Week
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  • 5
    Element Android

    Element Android

    A glossy Matrix collaboration client for Android

    Element Android is a glossy Matrix collaboration client for Android, based on a new Android SDK fully written in Kotlin. A total rewrite of Riot-Android, Element is an all-in-one secure chat app made possible through the open global Matrix network. It is a messenger that allows users to talk to anyone regardless of their app, while providing unparalleled privacy and security.
    Downloads: 12 This Week
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  • 6
    Tutanota

    Tutanota

    Open source email service with a strong focus on security and privacy

    Tutanota is an open source email client focused on security and privacy. It is built with end-to-end encryption and 2FA, so you can be assured of utmost email security. Tutanota is always encrypted, so whether you’re using their secure webmail client, mobile apps or desktop clients, you can be sure to communicate securely.
    Downloads: 12 This Week
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  • 7
    K-9 Mail

    K-9 Mail

    Open Source Email App for Android

    K-9 Mail is an advanced, open-source email client for Android that's focused on making it easy to chew through large volumes of email. It's designed to be easy to use by both novice and power users, with plenty of useful features. It has IMAP push email support, support for multiple accounts, support for POP3 and Exchange 2003/2007 (with WebDAV), flagging, filing, signatures and more!
    Downloads: 0 This Week
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  • 8
    Element X Android

    Element X Android

    Android Matrix messenger application using the Matrix Rust SDK

    Element X Android is a modern, reimagined Matrix-protocol client designed for Android that provides secure, decentralized communication with a focus on performance, polished UI, and extensibility. Built as the successor to earlier Matrix clients, Element X blends fast native Android development with a feature-rich experience that supports end-to-end encrypted messaging, voice and video calls, threaded conversations, and file sharing across federated Matrix servers. ...
    Downloads: 19 This Week
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  • 9
    SmsForwarder

    SmsForwarder

    Monitors Android mobile phone text messages, calls, and notifications

    SmsForwarder is an Android application designed to monitor incoming communications such as SMS messages, phone calls, and app notifications, and then automatically forward them to configured destinations based on user-defined rules, making it ideal for remote monitoring, backup, or automation scenarios. Users can set custom logic so that certain messages or notifications trigger forwarding to group chat bots (like DingTalk or enterprise WeChat), webhook endpoints, email, push services (PushPlus, Bark), Telegram bots, and other channels, allowing flexible integration with communication workflows. ...
    Downloads: 9 This Week
    Last Update:
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  • 10
    Facebook SDK for Android

    Facebook SDK for Android

    Used to integrate Android apps with Facebook Platform

    This open-source library allows you to integrate Facebook into your Android app. Integrate your Android app with Facebook to build engaging social apps by using the Facebook SDK for Android. To learn more about using Facebook development tools. The current version of the Facebook SDK for Android is version 11.2.0 and requires the Android API 15. Code and samples for the Facebook SDK for Android are available on GitHub.
    Downloads: 3 This Week
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  • 11
    Android Upload Service

    Android Upload Service

    Easily upload files in the background with progress notification

    Easily upload files (Multipart/Binary/FTP out of the box) in the background with progress notification. Support for persistent upload requests, customizations and custom plugins. At the core of the library, there is a Service that handles multiple concurrent upload tasks in the background. It publishes broadcast intents to notify status. This way the logic is completely decoupled from the UI. You are safe launching upload requests from your fragments, activities and services without worrying...
    Downloads: 2 This Week
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  • 12
    Berty

    Berty

    Berty is a secure peer-to-peer messaging app

    ...Just like blockchain technologies, Berty doesn’t pass your data through central servers - the place where internet service providers, hackers, and governments can intercept your data. Instead, Berty’s network is distributed, based on P2P direct messaging. Berty couldn’t care less about who you are. You don’t need to provide your real name, an email, or a date of birth. You don’t even need a SIM card!
    Downloads: 9 This Week
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  • 13
    Amazon Chime SDK for Android

    Amazon Chime SDK for Android

    An Android client library for integrating multi-party communications

    The Amazon Chime SDK for Android makes it easy to add collaborative audio calling, video calling, and screen share viewing features to Android applications by using the same infrastructure services that power meetings on the Amazon Chime service. This Amazon Chime SDK for Android works by connecting to meeting session resources that you have created in your AWS account.
    Downloads: 0 This Week
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  • 14
    WhatsApp clone app

    WhatsApp clone app

    WhatsApp clone project demonstrates modern Android development

    This is a WhatsApp clone app built with Stream Chat SDK for Compose to implement messaging systems and Stream Video SDK for Compose using Jetpack Compose.
    Downloads: 42 This Week
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  • 15
    Signal

    Signal

    A private messenger for Android

    Signal-Android is the official open-source Android client for Signal, a secure messaging app focused on end-to-end encryption and privacy. Developed by the Signal Foundation, it enables private messaging, voice, and video calls, without storing user data. Signal uses the Signal Protocol for encryption and does not collect metadata, making it one of the most privacy-focused communication platforms available.
    Downloads: 15 This Week
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  • 16
    Flying Carpet

    Flying Carpet

    File transfer between Android, iOS, Linux, macOS, and Windows

    Send and receive files between Android, iOS, Linux, macOS, and Windows over ad hoc WiFi. No shared network or cell connection required, just two devices with WiFi chips in close range. Don't have a flash drive? Don't have access to a wireless network? Need to move a file larger than 2GB between different filesystems but don't want to set up a network share? Try it out!
    Downloads: 14 This Week
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  • 17
    Tinode Instant Messaging Server

    Tinode Instant Messaging Server

    Instant messaging platform

    Instant messaging server. Backend in pure Go (license GPL 3.0), client-side binding in Java, Javascript, and Swift, as well as gRPC client support for C++, C#, Go, Java, Node, PHP, Python, Ruby, Objective-C, etc. (license Apache 2.0). Wire transport is JSON over websocket (long polling is also available) for custom bindings, or protobuf with gRPC. Persistent storage is any one of RethinkDB, MySQL or MongoDB. A third-party unsupported DynamoDB adapter also exists. Other databases can be...
    Downloads: 1 This Week
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  • 18
    Read You

    Read You

    An Android RSS reader presented in Material You style

    An Android RSS reader presented in Material You style.
    Downloads: 4 This Week
    Last Update:
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  • 19
    PairDrop

    PairDrop

    PairDrop, Transfer Files Cross-Platform

    PairDrop is a self-hosted, open-source alternative to Apple's AirDrop, allowing users to share files between devices over the same local network without the need for an internet connection.
    Downloads: 63 This Week
    Last Update:
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  • 20
    ReadYou

    ReadYou

    An Android RSS reader presented in Material You style

    ReadYou is a modern, open-source RSS reader for Android focused on minimalism, usability, and privacy. It supports standard RSS/Atom feeds, OPML import/export, and allows for offline reading. Built with Jetpack Compose, ReadYou offers a polished and intuitive user experience without background sync or data tracking.
    Downloads: 4 This Week
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  • 21
    libimobiledevice

    libimobiledevice

    A cross-platform protocol library to communicate with iOS devices

    libimobiledevice is a cross-platform software library that talks the protocols to interact with iOS devices. Unlike other projects, it does not depend on using any existing proprietary libraries and does not require jailbreaking. Access filesystem of a device, access documents of file sharing apps, retrieve information about a device and modify various settings, backup and restore the device in a native way compatible with iTunes. Manage app icons arrangement on the device, install, remove,...
    Downloads: 53 This Week
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  • 22
    Readrops

    Readrops

    Android multi-services RSS client

    Readrops is a multi-service RSS client for Android. Its name is composed of "Read" and "drops", where drops are articles in an ocean of news.
    Downloads: 1 This Week
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  • 23
    PikaTorrent

    PikaTorrent

    Just pick a Torrent, stream and download on all your devices

    PikaTorrent is a modern, cross-platform BitTorrent client designed for ease of use across desktop and mobile devices. Developed using Flutter, it offers a unified experience on Windows, Linux, Android, and plans for macOS and iOS. PikaTorrent emphasizes user-friendliness, allowing users to stream and download torrents seamlessly, with features like remote management and dark mode support enhancing the overall experience.​
    Downloads: 10 This Week
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  • 24
    Meshenger

    Meshenger

    P2P Voice/Video phone App for local networks

    Meshenger is an open-source, serverless P2P voice and video calling app for Android that works over local networks or directly between devices without the internet. It facilitates direct communication using QR codes or IP addresses, bypassing the need for any central infrastructure or account registration. Meshenger is particularly suited for emergency scenarios, privacy-focused users, and mesh networks where conventional communication tools fail.
    Downloads: 9 This Week
    Last Update:
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  • 25
    Sideband

    Sideband

    LXMF client for Android, Linux and macOS to communicate with people

    Sideband is a privacy-focused, peer-to-peer mesh messaging protocol and platform that allows users to communicate directly over local networks or the internet without servers. It emphasizes metadata resistance and secure message delivery, working effectively in offline, low-bandwidth, or disaster recovery scenarios. Built-in Rust, Sideband supports encrypted group messaging, file transfers, and network self-discovery. It is ideal for use in community networks, crisis response, and...
    Downloads: 8 This Week
    Last Update:
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