secure messenger

Here is the list of all the messaging services I recommend to use


  • Matrix.org

    Free Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted WebRTC Python JavaScript Go (Programming Language) Cloudron Java Perl Website

    Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers with no single point of control. Uses include Instant Messaging (IM), Voice over IP (VoIP) signalling, Internet of Things (IoT) communication, and bridging together existing communication silos - providing the basis of a new open real-time communication ecosystem.

     

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  • Element

    Freemium Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Matrix.org Cloudron Website

    A free instant messaging and collaboration software based on the Matrix protocol.

     

    Element icon
  • Jami

    Free Mac Windows Linux Android iPhone ... Android Tablet iPad Website

    Voice, video and chat communications, secure, decentralized, strong privacy and freedoms.

     

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  • Tox

    Free Mac Windows Linux Android Android Tablet ... BSD Website

    Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

     

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  • 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.

     

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  • Jitsi

    Free Mac Windows Linux Web Android ... iPhone Android Tablet BSD iPad Website

    Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP, etc.
    It can handle every firewall, and has many other useful features.

    Jitsi is completely open source / free software, and is freely available under the terms of the GNU Lesser General Public License. It can run on your own server.

     

    Jitsi icon
  • Briar

    Free Android Website

    An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth.
    Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.

     

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  • ChatSecure

    Free iPhone iPad Website

    ChatSecure is a free and open source messaging app that features OTR encryption over XMPP.

     

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  • Conversations

    Free Android Android Tablet Website

    Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].

    [Note]
    You can download the compiled apk for free from F-Droid:
    https://f-droid.org/repository/browse%20/?fdid=eu.siacs.conversations

    or

    • you can buy Conversations in the Google Play Store
    • if you are a software developer, you can check out the sources from GitHub and use Small Gradle iconGradle to build your own apk file

     

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  • Wire

    Free Personal Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Software as a Service (SaaS) Website

    Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.

    Why Wire?

    • Always-on end-to-end encryption
    • 1:1 and group messaging
    • Voice call
    • Video conference
    • Screen-sharing
    • File-sharing
    • Searchable conversations
    • Guest Rooms (external collaboration)
    • Advanced team management
    • iOS, Android & Desktop support
    • Available on desktop, mobile, and web app
    • Synced in real-time across all devices

     

    Wire icon
  • Signal

    Free Mac Windows Linux Android iPhone ... Android Tablet iPad Chrome Ubuntu Touch Website

    TextSecure and RedPhone have been merged to create Signal!

    Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or attachments all with complete privacy. The server never has access to any of your communication and never stores any of your data.

    • Say Anything - Send high-quality group, text, picture, and video messages, all without SMS and MMS fees.
    • Speak Freely - Make crystal-clear phone calls to people who live across town, or across the ocean, with no long-distance charges.
    • Be Yourself - Signal uses your existing phone number and address book. There are no separate logins, usernames, passwords, or PINs to manage or lose.
    • Stay Secure - We cannot hear your conversations or see your messages, and no one else can either. No exceptions. You can even tap and hold on a contact's name to see advanced identity verification options. Everything in Signal is always end-to-end encrypted and painstakingly engineered in order to keep your communication safe.
    • Go Fast - Signal is optimized for speed without compromise. Our state-of-the-art Axolotl protocol is unmatched in its performance, strength, and reliability.
    • Remain Connected - Push notifications let you know when new messages have arrived, and they'll be waiting for you even if your battery dies or you temporarily lose service.
    • Get Organized - Unique archive functionality makes it easy to keep track of the conversations that matter to you right now.
    • Pay Nothing - Signal is supported by a team of dedicated developers, community donations, and grants. There are no advertisements, and it doesn't cost anything to use.
    • View Source - All of our code is free, open, and available on GitHub (https://github.com/signalapp ).
    • Join Movements - Technology developed by Open Whisper Systems is trusted and used by millions of people around the world every day.

     

    Signal icon



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