Private messengers

  • Simlar

    Free Android iPhone Website

    Simlar – free and secure calls
    Protect your privacy and make free and tap-proof mobile phone calls over the internet with Simlar.


    Simlar icon
  • Rocket.Chat

    Freemium Mac Windows Linux Android iPhone ... iPad Self-Hosted Cloudron Website

    Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.


    Rocket.Chat icon
  • Anonymous Messenger

    Free Android Website


    • Double triple Diffie-Hellman end to end encryption
    • Completely peer to peer using hidden services
    • Cryptographic Identity Verification
    • Excellent Network Security
    • Voice Messages
    • Live Voice Calls over tor (alpha feature)
    • Text Messages
    • Metadata stripped media messages
    • Raw file sending of any size (100 GB+)
    • Both peers have to add each others onion addresses to be able to communicate
    • Disappearing messages by default
    • Encrypted file storage on Android
    • Screen security


    Anonymous Messenger icon
  • Wire

    Free Personal Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted F-Droid 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


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  • SimpleX Chat

    Free Mac Windows Linux Android iPhone ... Self-Hosted Website

    SimpleX - the most private and secure chat and applications platform - now with double ratchet E2E encryption! Built on Haskell with Love and Coffee.


    SimpleX Chat icon
  • Speek!

    Free Mac Windows Linux Android Website

    Speek! is the first messenger that is anonymous and censorship-resistant by design. Speek! messenger encrypts all messages and is secure, private and decentralized.


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  • WebCall

    Free Self-Hosted Android F-Droid Website

    WebCall offers free high-quality audio and video telephony based on WebRTC 1.0. All data is delivered from peer to peer. The P2P links are always end-to-end encrypted. WebCall provides web applications for caller and callee. WebCall server takes care of the signalling process (connecting the peers). If you have a 2020+ Web browser, you can immediatly take advantage of all functionality.

    WebCall is open source. You can easily run a WebCall server yourself. WebCall operates fully selfcontained. No 3rd party services are being contacted at any time for any purpose. This means that, if you run your own WebCall server, no 3rd party will be able to track you - or anyone else using your server.

    This is also true for the WebCall server on You can register your Webcall ID (phone number) without providing any personal data. No user data is being collected. And certainly no data is being shared with anyone. This WebCall server is operated as a proof-of-concept service by me, the WebCall developer.


    WebCall icon
  • Molly

    Free Android F-Droid Website

    Molly is an independent Small Signal iconSignal fork for Android.

    Back in 2018, Signal allowed the user to set a passphrase to secure the local message database. But this option was removed with the introduction of file-based encryption on Android. Molly brings it back again with additional security features.
    Molly connects to the Signal server, so you can chat with your Signal contacts seamlessly. Please remember to review their Signal Terms & Privacy Policy before signing up.
    Every two weeks Molly is updated to include the latest features and bug fixes from Signal.

    Molly, like Signal, uses Google’s proprietary code to support some features.
    Molly-FOSS is the community effort to make it 100% free and open-source.


    Molly icon
  • Berty

    Free Linux Android iPhone Android Tablet iPad Website

    The privacy-first messaging app that works with or without internet access, cellular data or trust in the network.


    Berty icon
  • Cwtch

    Free Mac Windows Linux Android Website

    Cwtch - a Welsh word roughly translating to “a hug that creates a safe place”) is a decentralized, privacy-preserving, multi-party messaging protocol that can be used to build metadata resistant applications.


    Cwtch icon
  • Linphone

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

    Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features.

    Use Linphone for free, and enjoy its intuitive interface and advanced features with our free SIP service or with an existing SIP account.

    Easy-to-use graphical interface :
    Account creation assistant
    Smart contact list, with address book synchronisation for smartphones
    Call history
    "Invite your friends" option
    Remote provisioning from a QR Code or a URL

    Advanced calling features :
    HD video calls with video preview (H.264, H.265 and VP8 codecs supported)
    Audio conference calls
    Call transfer and multi-call management (pause and resume)
    Call recording and replay (audio only)

    Increased audio and video quality :
    State-of-the-art adaptive jitter buffer algorithm
    Innovative adaptive bitrate control
    HD voice (Opus support) and echo cancellation
    Call quality indicator and display of advanced call statistics

    Enhanced Instant Messaging experience :
    One-to-one and multi-participant conversations
    Intuitive message delivery status (IMDN)
    Picture and file sharing
    Multi-device support
    Advanced IM notifications, with "reply to" and "mark as read" options

    Secure communications :
    SIP TLS with state-of-the-art cypher algorithms
    Audio and video encryption with SRTP and ZRTP
    End-to-end encryption for 1-to-1 and group messaging


    Linphone icon
  • Briar

    Free Linux Android F-Droid Flathub 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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  • Jitsi Meet

    Free Web Android iPhone Android Tablet iPad ... Self-Hosted Apple Watch F-Droid 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.

    Jitsi Meet is the successor of the legacy project Small Jitsi Desktop iconJitsi Desktop


    Jitsi Meet icon
  • Status

    Free Mac Windows Linux Android iPhone ... F-Droid APK Downloader Website

    Chat, browse and transact securely in an open source community committed to bringing the power of Ethereum and a more distributed internet to your pocket.


    Status icon
  • Delta Chat

    Free Mac Windows Linux Android iPhone ... Android Tablet FLATHUB F-Droid Website

    Delta Chat looks and feels like other popular messenger apps, but does not involve centralized control, tracking or selling you, friends, colleagues or family out to large organizations. "Privacy by Design" has never been more fun.

    Delta Chat taps into the largest, most diverse, most open and decentralized communication system ever created: the existing e-mail server network. Delta Chat requires no additional server-side infrastructure. Just use a standard e-mail account and start chatting with any of your e-mail contacts, whether they have installed Delta Chat or not.

    Technically, Delta Chat is an e-mail application with a modern chat interface. E-Mail in a new dress if you will. Chat and contact data remain on your devices. No uploads of Addressbook, calendar or other personal data. There simply are no Delta Chat servers where anything could be uploaded to. Privacy by design.

    Use Delta Chat with anyone out of billions of people: just use their e-mail address. Recipients will see a simple e-mail and may directly reply with their own e-mail app. They don't need to install Delta Chat, visit websites or sign up anywhere. If you send a picture or other media to a Chat group your chat recipients will see a nice regular e-mail with an attachment. If they send a message and attachments back, you will see the media in your Chat for this contact.

    Delta Chat sends e-mails using your e-mail account and provider of choice. You can change mobile numbers without any trouble or even work without any SIM card at all. You can export all your Chat data on one device, import it on a new device and happily continue chatting. Not requiring mobile numbers avoids cell-tower and other tracking. Privacy by Design.


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  • Session

    Free Mac Windows Linux Android iPhone ... iPad F-Droid Website

    Session is the world's first open-source, decentralised private messenger to use industry-leading Signal Protocol encryption — without asking for your phone number.


    Session icon
  • aTox

    Free Android Website

    aTox, a beautiful and modern Tox client.

    Why aTox?

    Open-source: free to share, inspect, and change as you like. Reasonable: sane defaults, no guesses about what you care about, doesn't ignore what you want. End-to-end encrypted: the only people who can see your conversations are the people you're talking to.


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  • Element

    Freemium Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Cloudron F-Droid FLATHUB Website

    Element is a secure collaboration and messaging app based on the Matrix protocol. It’s decentralised to deliver digital sovereignty, and based on an open standard for easy connections and interoperability. It is end-to-end encrypted by default.


    Element icon
  • TRIfA

    Free Android Website

    It uses the Tox protocol which is Peer to Peer, it will have a higher battery usage than other Messenger apps.

    If you are stuck with Antox or uTox (µTox) for Android, try this Tox Client that was especially optimized for Android.


    TRIfA icon
  • Conversations

    Free Android Android Tablet F-Droid 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].


    • End-to-end encryption with either OMEMO or OpenPGP
    • Sending and receiving images
    • Encrypted audio and video calls (DTLS-SRTP)
    • Intuitive UI that follows Android Design guidelines
    • Pictures / Avatars for your Contacts
    • Syncs with desktop client
    • Conferences (with support for bookmarks)
    • Address book integration
    • Multiple accounts / unified inbox
    • Very low impact on battery life


    Conversations icon
  • Jami

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

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


    Jami icon

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