Browse free open source Messaging platforms and projects below. Use the toggles on the left to filter open source Messaging platforms by OS, license, language, programming language, and project status.

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
    Start Free
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • 1
    ADAMANT Messenger Progressive Web App

    ADAMANT Messenger Progressive Web App

    ADAMANT decentralized Messenger, progressive web application

    A messaging application client for ADAMANT Blockchain. ADAMANT is a decentralized anonymous messenger based on the blockchain system. It’s independent of any governments or corporations, and even developers due to the distributed network infrastructure that contains an open-source code. The ADAMANT blockchain system belongs to its users. Nobody can control, block, deactivate, restrict or censor accounts. Users take full responsibility for their content, messages, media, and goals and intentions of using the messenger. Privacy is the main concept of ADAMANT, neither phone numbers nor emails are required. Apps have no access to the contact list or geotags, IPs are hidden from chatters and paranoids can use Tor app. All the messages are encrypted with the Diffie-Hellman Curve25519, Salsa20, Poly1305 algorithms and signed by SHA-256 + Ed25519 EdDSA. Private keys are never transferred to the network.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 2
    Status - a Mobile Ethereum OS

    Status - a Mobile Ethereum OS

    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. Integrated into one powerful super app for private secure communication. Safely send, store and receive cryptocurrencies including ERC20 and ERC721 tokens with the Status crypto wallet. Only you hold the keys to your funds. Status' intuitive design protects you and your funds from attacks. Status uses an open-source, peer-to-peer protocol, and end-to-end encryption to protect your messages from third parties. Keep your private messages private with Status. Browse the growing ecosystem of DApps including marketplaces, exchanges, games, and social networks. The latest security standards ensure a private browsing experience. You will never be asked for a phone number, email address, or bank account when generating a Status account. Stay private and selectively reveal yourself to the world with Status.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 3
    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.
    Leader badge
    Downloads: 18 This Week
    Last Update:
    See Project
  • 4
    Metis Messenger

    Metis Messenger

    Secured blockchain group messaging

    We’re all familiar with using our favorite chat apps and we often just assume we can trust them with our personal information. It’s not until our private life is compromised do we suddenly reconsider how we’re doing things. Next-generation chat application Metis improves your privacy by defaulting to locally encrypt all communications before sending any message. With Jupiter Metis, you always have the power over your privacy and what, if anything, is shared. No central servers store any information about you, your account, or conversations. There’s no signup required and participating in group chats is as simple and secure as it gets. Metis runs on the blockchain and is 100% encrypted with AES encryption. By using blockchain to talk, you’re protecting your communications and keeping your chats private!
    Downloads: 0 This Week
    Last Update:
    See Project
  • Get the most trusted enterprise browser Icon
    Get the most trusted enterprise browser

    Advanced built-in security helps IT prevent breaches before they happen

    Defend against security incidents with Chrome Enterprise. Create customizable controls, manage extensions and set proactive alerts to keep your data and employees protected without slowing down productivity.
    Download Chrome
  • Previous
  • You're on page 1
  • Next