Search Results for "secure instant messenger"

Showing 395 open source projects for "secure instant messenger"

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  • 1
    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. ...
    Downloads: 17 This Week
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  • 2
    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. It protects conversations from data-mining and ads with proper end-to-end encryption, so you can feel totally secure. Element is used by millions all over the world for their business, organizations, and even for personal and home use. ...
    Downloads: 15 This Week
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  • 3
    Toxic

    Toxic

    A Tox-based instant messaging and video chat client

    Toxic is a Tox protocol-based command-line messenger for Linux, offering fully encrypted, decentralized, and serverless instant messaging. It includes features such as text messaging, file transfer, and audio calls—all without requiring user accounts or central servers. Toxic is designed for power users who prefer a minimalist interface, operating entirely within a terminal while delivering strong privacy through the Tox peer-to-peer protocol.
    Downloads: 7 This Week
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  • 4
    Deno

    Deno

    A secure runtime for JavaScript and TypeScript

    Deno is a secure by default, open source runtime for JavaScript and TypeScript, providing a productive and secure scripting environment for the modern programmer. It is distributed as a single executable with no dependencies, and takes on the role of both runtime and package manager. It uses a standard browser-compatible protocol for loading modules, which are URLs. Built on top of V8, Rust and TypeScript, Deno has support for TypeScript right out of the box. It has a set of built-in...
    Downloads: 54 This Week
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  • 5
    Cinny

    Cinny

    Yet another matrix client

    Cinny is an open-source Matrix client that focuses on delivering a simple, elegant, and secure instant messaging experience built on decentralized communication technology. As a web-based Matrix client, Cinny emphasizes a modern and streamlined interface, clean navigation between direct messages and channels, and a design that prioritizes clarity and ease of use while preserving strong security through end-to-end encryption.
    Downloads: 4 This Week
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  • 6
    GraphJin

    GraphJin

    Build NodeJS / GO APIs in 5 minutes not weeks

    GraphJin is a magical library that instantly converts simple GraphQL into fast and secure APIs. Works with NodeJS and GO. Supports Postgres, MySQL, Yugabyte, AWS Aurora/RDS and Google Cloud SQL. GraphJin gives you an instant secure and fast GraphQL API without code. Just use a GraphQL query to define your API and GraphJin automagically converts it into a full-featured API. Build your backend APIs 100X faster. Works with NodeJS and GO.
    Downloads: 29 This Week
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  • 7
    xmpp.js

    xmpp.js

    XMPP for JavaScript

    xmpp.js is a JavaScript library for the Extensible Messaging and Presence Protocol (XMPP), facilitating real-time communication features like instant messaging and presence information.
    Downloads: 3 This Week
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  • 8
    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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  • 9
    Session for iOS

    Session for iOS

    A Decentralized, Onion Routed, Private Messenger

    Session iOS is the native iPhone and iPad client for the Session secure messaging ecosystem, engineered to bring private, anonymous communication to Apple’s mobile platforms without relying on phone numbers or email addresses. The app supports encrypted one-on-one and group chats, voice messages, file and image sharing, and threaded conversations, all delivered over a decentralized onion network designed to conceal metadata such as sender identity, message timing, and network path. On iOS,...
    Downloads: 6 This Week
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  • 10
    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: 14 This Week
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  • 11
    Session Desktop

    Session Desktop

    A Decentralized, Onion Routed, Private Messenger

    Session Desktop is an open-source, privacy-focused messaging application that brings secure, decentralized communication to desktop environments such as Windows, macOS, and Linux, providing users with encrypted text, media, and group chats without requiring phone numbers or email addresses. Built on the Session protocol and the Loki network, it routes messages through a distributed onion-routing network that hides metadata like sender, timing, and location so that conversations are resistant...
    Downloads: 16 This Week
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  • 12
    Petoron-P2P-Messenger

    Petoron-P2P-Messenger

    minimalistic, secure and autonomous P2P messenger

    Petoron P2P Messenger (P-P2P-M) Architecture: Pure P2P - no servers, no databases Key storage: Keys generated in memory, never stored, erased after use Metadata: Only IP and port exist during the session - everything else is encrypted & obfuscated Encryption: PQS v1.2 - PBKDF2-HMAC-SHA256 (200k), BLAKE2s-MAC, custom stream cipher + fake padding Authentication: BLAKE2s-MAC (16 bytes) - instant failure on any data change Packet obfuscation: --stealth mode - padding, hidden structures Connection: Direct peer-to-peer only Anonymity: No accounts, logins, or phone numbers Third-party access: Impossible without physical access to both peers during session History: No storage — all in RAM, wiped on close Message size: Limited only by RAM & MTU — no artificial limits External dependencies: None DPI/blocking resistance: Harder to detect, can be masked Autonomy: Fully offline until peers connect 26.01.26 Add pqs_chat_tor.py github.com/01alekseev/Petoron-P2P-Messenger...
    Downloads: 2 This Week
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  • 13
    DBHub

    DBHub

    Universal database MCP server connecting to MySQL, PostgreSQL

    DBHub is a universal database gateway that implements the MCP server interface so assistants and IDEs can explore and query databases through typed tools. It supports multiple transports—stdio for desktop clients and HTTP for networked scenarios—making it flexible to embed or deploy. Configuration is environment-variable driven, with a DSN and per-engine settings covering Postgres, MySQL, MariaDB, SQL Server, and SQLite. Operational flags include read-only mode, row limits, and even SSH...
    Downloads: 5 This Week
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  • 14
    BeeBEEP (Free Office Messenger)

    BeeBEEP (Free Office Messenger)

    You can message and share files inside your intranet without a server.

    BeeBEEP is a secure (encryption based on Rijndael Algorithm, AES) peer to peer office messenger. You can talk and send files with all your colleagues inside a local area network such of an office, home or internet cafe without a server. BeeBEEP works also with VPNs. This serverless application is indispensable in all those places where privacy and security an essential requirement.
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    Downloads: 2,099 This Week
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  • 15
    DreamFactory

    DreamFactory

    DreamFactory API Management Platform

    DreamFactory can run on private, public, or hybrid cloud infrastructure. DreamFactory is easy to deploy with Docker, Kubernetes, or directly from GitHub using our automated installers. Eliminate the biggest bottleneck in modern IT. Launch your project in weeks rather than months. DreamFactory instantly creates a secure, standardized, reusable, fully documented, and live REST API. Connect Salesforce to SQL Server, or your ERP to AWS S3. Transform and mask data along the way. Create reports,...
    Downloads: 8 This Week
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  • 16
    Berty

    Berty

    Berty is a secure peer-to-peer messaging app

    Berty is an open, secure, offline-first, peer-to-peer and zero trust messaging app. Berty is an encrypted and offline peer-to-peer messenger with no central server. Connect with or without an internet connection, message for free, and avoid surveillance and censorship. Berty is fresh off the development line and hasn’t been audited yet. Please keep this in mind when exchanging data.
    Downloads: 8 This Week
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  • 17
    agentOS

    agentOS

    A portable open-source operating system for agents. ~6 ms coldstarts

    agentOS is a portable, open-source runtime environment designed specifically for executing AI agents efficiently, acting as a lightweight operating system tailored for agent-based workloads. It is built using WebAssembly and V8 isolates to provide secure, sandboxed execution without the overhead of traditional containers or virtual machines. The system is optimized for extremely fast startup times, with near-instant cold starts that allow agents to be created and executed in milliseconds. AgentOS is designed to run directly within an application process, enabling agents to interact with host functions and resources without network overhead or complex orchestration layers. ...
    Downloads: 1 This Week
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  • 18
    Deskhop

    Deskhop

    Fast Desktop Switching Device

    DeskHop is an open-source hardware/software KVM device that seamlessly switches keyboard/mouse between two computers by dragging the cursor or via hotkeys. It’s plug‑and‑play, requiring no drivers, and provides galvanic isolation for secure multi-OS setups.
    Downloads: 0 This Week
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  • 19
    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.
    Downloads: 4 This Week
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  • 20
    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: 21 This Week
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  • 21
    Signal Desktop

    Signal Desktop

    Private messenger for Windows, Mac, and Linux

    Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect. State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else can either. Privacy isn’t an optional mode, it’s just the way that Signal works. Every message, every call, every time. Share text, voice messages, photos, videos, GIFs and files for...
    Downloads: 33 This Week
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  • 22
    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. Unlike proprietary...
    Downloads: 13 This Week
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  • 23
    blockfrost-python

    blockfrost-python

    Python 3 SDK for the Blockfrost.io API

    API for Cardano decentralized blockchain. Accessing and processing information stored on the blockchain is not trivial. We provide abstraction between you and blockchain data, taking away the burden of complexity, so you can focus on what really matters - developing your applications. Our basic tier is and always will be free of charge. We nurture development and the Cardano ecosystem. However, if you want to support us, please consider upgrading.
    Downloads: 0 This Week
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  • 24
    Synapse

    Synapse

    Matrix reference homeserver

    Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. Everything in Matrix happens in a room. Rooms are distributed and do not exist on any single server. Rooms can be located using convenience aliases like #matrix:matrix.org or #test:localhost:8448. Synapse is currently in rapid development, but as of version 0.5 we believe it is sufficiently stable to be run as an internet-facing service for real usage!
    Downloads: 11 This Week
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  • 25
    PIVX

    PIVX

    Protected Instant Verified Transactions - Core wallet

    PIVX (Protected Instant Verified Transaction) is a privacy-focused cryptocurrency that emphasizes secure and anonymous transactions. Built upon the Bitcoin Core codebase, PIVX integrates advanced privacy protocols to ensure user confidentiality. It aims to provide fast, low-cost transactions while maintaining a high level of security and decentralization.​
    Downloads: 3 This Week
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