Showing 52 open source projects for "android security framework"

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  • 1
    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...
    Downloads: 48 This Week
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  • 2
    addy-android

    addy-android

    The official addy.io app for Android and WearOS

    addy.io is a free, open-source Android and Wear OS application for managing email aliases through the addy.io email forwarding service. It helps users protect their primary email addresses by creating disposable or reusable aliases for different websites and contacts. The application connects to hosted addy.io accounts or compatible self-hosted instances. Users can create, edit, deactivate, and delete aliases while managing recipients, domains, usernames, and forwarding rules. Notifications...
    Downloads: 0 This Week
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  • 3
    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: 5 This Week
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  • 4
    Proton Mail for Android

    Proton Mail for Android

    Proton Mail Android app

    ...It supports composing messages, viewing attachments, handling contacts, and configuring account and mail settings from within the app, giving users portable access to their secure inbox wherever they go. Because ProtonMail’s service never sees unencrypted content, the Android client performs necessary encryption and decryption on the device, aligning with Proton’s privacy-first philosophy and open-source security model.
    Downloads: 6 This Week
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  • 5
    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: 26 This Week
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  • 6
    Keybase client

    Keybase client

    Keybase Go library, client, service, OS X, iOS, Android, Electron

    Keybase is secure messaging and file-sharing. We use public key cryptography to ensure your messages stay private. Even we can’t read your chats. Keybase works for families, roommates, clubs, and groups of friends, too. Keybase connects to public identities, too. You can connect with communities from Twitter, Reddit, and elsewhere. Don’t live dangerously when it comes to documents. Keybase can store your group’s photos, videos, and documents with end-to-end encryption. You can set a timer on...
    Downloads: 0 This Week
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  • 7
    Anonomi Messenger

    Anonomi Messenger

    A decentralized, privacy-first Android communication app built

    Anonomi Messenger is a free, open-source Android messaging application designed for private communication in environments where surveillance and network restrictions are concerns. It uses decentralized peer-to-peer connections without relying on central messaging servers. Online communications can travel through Tor, including bridges when direct connections are blocked. Offline messaging works through Wi-Fi, Bluetooth, and external storage using store-and-forward transfers. Its design...
    Downloads: 0 This Week
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  • 8
    MobileIMSDK

    MobileIMSDK

    The original full-platform IM communication layer framework

    MobileIMSDK is a lightweight cross-platform instant messaging communication framework designed for real-time chat and push-style communication. It supports multiple client platforms, including iOS, Android, Java, HTML5, mini programs, UniApp, and HarmonyOS Next, with a Netty-based server side. The framework is notable for supporting UDP, TCP, and WebSocket protocols in the same open-source IM communication layer.
    Downloads: 0 This Week
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  • 9
    Signal Server

    Signal Server

    Server supporting the Signal Private Messenger applications on Android

    ...Although cryptographic operations and message confidentiality are managed by the client side using the Signal Protocol, the server ensures message routing, user registration, and group updates without having access to the decrypted contents. Its codebase is public to ensure transparency and auditability for a security-focused community willing to inspect how message metadata and delivery mechanisms are implemented.
    Downloads: 7 This Week
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  • 10
    BasicSync

    BasicSync

    A simple app for running Syncthing on Android

    ...Users can synchronize folders stored internally or on external SD cards and USB drives. Automatic running conditions can pause synchronization according to network availability, battery status, or schedules. Android Quick Settings provides convenient switching between automatic and manual operation. Configuration import and export simplify migration between devices. The application also detects synchronization conflicts and integrates with Android's Storage Access Framework.
    Downloads: 0 This Week
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  • 11
    Tox

    Tox

    A New Kind of Instant Messaging

    Tox is a peer to peer (serverless) instant messenger that focuses on security and privacy. In today's world where digital surveillance is rampant, Tox offers users a communication software alternative that's free from prying eyes and ears, and is, quite literally free and without advertising. Tox comes with all the great features you'd expect from an instant messenger application, including voice calls, video calls, file sharing and screen sharing. Everything done on Tox is encrypted...
    Downloads: 11 This Week
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  • 12
    Zulip

    Zulip

    Powerful open source team chat application

    Zulip is a powerful open source group chat application that combines the immediacy of real-time chat with the productivity benefits of a threaded conversation model. Zulip’s unique threading model allows users to easily catch up on important conversations, helping to save time and increase productivity.
    Downloads: 2 This Week
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  • 13
    mail

    mail

    Built from the ground up for speed

    ...Offline storage keeps previously synchronized messages and information accessible without an internet connection. Security features include remote image blocking and native HTML rendering without executing email scripts. Additional capabilities include attachment searches, OpenPGP encryption, customizable themes, and local backups.
    Downloads: 0 This Week
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  • 14
    Meron

    Meron

    Fast, secure email client with chat and kanban views

    ...The software includes customizable tags, automated filtering rules, and rich-text message composition. It also supports RSS and Atom feeds for following online publications. Security features include encrypted local storage and credentials protected by the operating system's keyring. Optional Model Context Protocol integration allows AI clients to access permitted email functions. Available for Windows, macOS, Linux, Android, and iOS, Meron provides a flexible communication workspace.
    Downloads: 0 This Week
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  • 15
    libsignal

    libsignal

    Home to the Signal Protocol and other cryptographic primitives

    libsignal is the foundational cryptographic library that implements the Signal Protocol and other essential primitives used across the official Signal clients and servers, enabling secure end-to-end encrypted communication. Written primarily in Rust with bindings and APIs surfaced for Java, Swift, and TypeScript, this library encapsulates critical algorithms like the Double Ratchet, prekey mechanisms, secure key storage, and zero-knowledge group primitives, along with additional utilities...
    Downloads: 1 This Week
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  • 16
    Jitsi Meet

    Jitsi Meet

    Secure, simple and scalable video conferences application

    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. Head over to meet.jit.si and see the service in action before you decide whether you’d like to run your own instance. For those interested, check out the meet.jit.si terms of service and privacy policy. Yep, it’s free — and it’s technologically advanced, too. In fact,...
    Downloads: 2 This Week
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  • 17
    status-react

    status-react

    A free (libre) open source, mobile OS for Ethereum

    Status is a secure messaging app, crypto wallet, and Web3 browser built with state-of-the-art technology. Join us in creating a browser, messenger, and gateway to a decentralized world. Status is a free (libre) open-source mobile client targeting Android & iOS built entirely on Ethereum technologies. That's right, no middle men and go-Ethereum running directly on your device. We believe in a medium of pure free trade, economies with fair, permission-less access and a world without...
    Downloads: 0 This Week
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  • 18
    DefraDB

    DefraDB

    DefraDB is a Peer-to-Peer Edge Database

    DefraDB is a Peer-to-Peer Edge Database. It's the core data storage system for the Source Network Ecosystem, built with IPFS/IPLD, LibP2P, CRDTs, and Semantic web3 properties. DefraDB is a user-centric database that prioritizes data ownership, personal privacy, and information security. Its data model, powered by the convergence of MerkleCRDTs and the content-addressability of IPLD, enables a multi-write-master architecture. It features DQL, a query language compatible with GraphQL but...
    Downloads: 0 This Week
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  • 19
    PCSecrets Sync

    PCSecrets Sync

    Synchronize secrets between PCSecrets and Secrets for Android

    Secrets for Android is an app that allows you to securely store and manage passwords and secrets on your Android device. PCSecrets is an application that provides similar facilities for a PC. PCSecrets Sync is an Android app that provides a synchronization capability between the two. It makes use of the new synchronization interface introduced in Secrets for Android (SfA) 2.4. The app is essentially a service and has no direct user interaction (no user interface). The app can be...
    Downloads: 0 This Week
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  • 20
    RabbitRemoteControl

    RabbitRemoteControl

    Remote control. Support VNC, RDP, Terminal, SSH, TELNET etc

    Rabbit Remote Control is a open-source, cross-platform, multi-protocol remote control software. Allows you to use any device and system in anywhere and remotely manage any device and system in any way. Its goal is to be simple, convenient, security and easy to use, improving work efficiency. It include remote desktop, remote control, file transfer(FTP, SFTP), terminal, remote terminal(SSH, TELNET), player, network tools etc functions. This is only a read-only mirror...
    Downloads: 95 This Week
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  • 21
    Beside

    Beside

    Direct local file, folder & text sharing for Windows & Android.

    Fast. Private. Together. — Send it. It's there. Engineered by Thisma Labs. Beside is a local-first peer sharing app for Windows 10/11 and Android 8.0+. Built with a native Rust core (rustls + ring) and Flutter UI, transfers stay strictly inside your local Wi-Fi at wire speed. Zero cloud, zero accounts, zero tracking. Key Features & Specifications: - Mutual TLS 1.3: End-to-end encrypted with pinned SPKI SHA-256 device keys. - 8-Digit SAS: RFC 8446 TLS Exporter pairing prevents Wi-Fi...
    Downloads: 2 This Week
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  • 22
    KEIBIDROP

    KEIBIDROP

    Open another computer's folder as if local; post-quantum encrypted P2P

    KEIBIDROP opens a folder on another computer over the internet as if it were a folder on your own computer. This mode is called Teleport: you open and edit the files right away, and each file streams only when an application opens it, so there is no wait for an upload or a download. KEIBIDROP also sends files between two devices with no account and no file size limit, and a dropped connection resumes where it stopped. It runs on Windows, macOS, Linux and Android, and the other person can...
    Downloads: 0 This Week
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  • 23
    Plum Harbor Deutsch

    Plum Harbor Deutsch

    German version of the "Plum Harbor" file sharing app.

    Eine experimentelle Dateifreigabe App, die mit Next.js und Perplexity entwickelt wurde und es den Nutzern ermöglicht, Dateien einfach zu teilen, zu empfangen, zu senden und erneut zu senden. Die App verwendet ML-KEM-1024, ChaCha20, Serpent-256 und HMAC-SHA512, um die Vertraulichkeit und Integrität der Daten zu gewährleisten. Außerdem ist die App mit einem speziellen Passwortspeicher ausgestattet. Schau es dir an unter: https://plum-harbor-deutsch.netlify.app/ GitHub:...
    Downloads: 0 This Week
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  • 24
    bitchat

    bitchat

    bluetooth mesh chat, IRC vibes

    bitchat is a decentralized peer-to-peer messaging app that operates over Bluetooth mesh networks, enabling local group chats without the need for internet, servers, or phone numbers. It is designed with privacy and security in mind, offering encrypted private messages and channels alongside a public local chat that requires no registration.
    Downloads: 61 This Week
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  • 25
    recline-client

    recline-client

    Encrypted messaging, communities, voice chat, and file sharing.

    Recline is a modern communication platform that brings private messaging, community servers, voice communication, and file sharing together in one place. Connect with friends through encrypted direct messages, create and join communities, organize conversations into channels, and communicate in real time through voice calls and voice channels. Recline includes account security features such as two-factor authentication, customizable profiles, moderation tools, and community management...
    Downloads: 0 This Week
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