Alternatives to Threema for all platforms with any license

  • Telegram icon


    Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful.

    Free Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet Windows Phone iPad Apple Watch Android Wear

  • Tox icon


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

    Open Source Mac Windows Linux Android iPhone Android Tablet ... BSD

  • Signal icon


    TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees...

    Open Source Mac Windows Linux Android iPhone Chrome

  • ChatSecure icon


    [ChatSecure by Chris Ballinger and Gibberbot by The Guardian Project have combined efforts!] ChatSecure (formerly “Gibberbot”) is...

    Open Source Android iPhone iPad

  • icon

    Riot (formerly Vector) is an opensource interoperable app running on Web, iOS and Android. It is built around chat rooms, both public...

    Open Source Web / Cloud Android iPhone iPad Self-Hosted Chrome ... Safari Firefox

  • Bitmessage icon


    Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is...

    Open Source Mac Windows Linux BSD

  • Conversations icon


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

    Freemium Android Android Tablet Self-Hosted

  • Google Allo icon

    Google Allo

    Google Allo is a smart messaging app that helps you say more and do more. Express yourself better with stickers, Smart Reply, and HUGE...

    Free Android iPhone

  • Bit Chat icon

    Bit Chat

    Technitium Bit Chat is a secure, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. It can...

    Open Source Windows Linux

  • Zulip icon


    Powerful open source group chat. Features: Threaded group conversations Talk about multiple topics at once without getting lost...

    Open Source Mac Windows Linux Web / Cloud Android iPhone ... BSD Self-Hosted

  • Sicher icon


    Free secure Germany-based messenger available for iOS, Android and Windows Phone. Sicher has true end-to-end encryption of both text...

    Commercial Android iPhone Android Tablet Windows Phone iPad

  • SureSpot icon

    SureSpot Warning

    SureSpot is an open source encrypted messenger designed to make encrypted messaging simple and accessible to anyone.

    Open Source Android iPhone iPad

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  • Dasher Messenger icon

    Dasher Messenger

    Dasher lets you do more than just text message. It's messaging with benefits: · Connect with friends worldwide for free ...

    Free Web / Cloud Android iPhone

  • Sesame Chat icon

    Sesame Chat

    Sesame is a messaging app that gives you a self-aware digital assistant to protect messages on your behalf: your own Personal...

    Free Personal iPhone iPad

  • Say Hi! icon

    Say Hi!

    Say Hi allows you to send what you type while you're typing! With faster replies and hilarious messages guaranteed, we're...

    Free iPhone

  • GoldBug icon


    GoldBug is a secure Instant Messenger. You can be sure with using GoldBug (GB), that no third party can look into your chat...

    Open Source Mac Windows Linux BSD

  • Wickr icon


    Wickr is a free end-to-end encrypted text, video, picture and voice messenger with full sender control. Shredder – Irreversibly...

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

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  • Hike icon


    Fun, free messaging for life. With hike, messaging has never been simpler. Hike is a new messenger that lets you send free messages to...

    Free Android iPhone S60 Windows Phone iPad

  • FireFloo Communicator icon

    FireFloo Communicator

    FireFloo is an instant messaging communicator combining the open XMPP standard (Jabber, GMail Chat etc.) with the echo protocol for...

    Open Source Mac Windows Linux Android

  • DatChat icon


    Currently no messaging platform allows you to change the rights to your messages after you hit send. DatChat Messenger with total...

    Free iPhone iPad iOS

  • Actor Messenger icon

    Actor Messenger

    Modile-first open source self-hosted messaging platform that allows to easily create your own messaging app.

    Open Source Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet iPad Self-Hosted

  • MyENIGMA icon


    The one and only secure messaging app Protect your privacy! SECURE MULTIMEDIA MESSAGING - Send chat messages, videos, pictures...

    Free Android iPhone Blackberry

  • PrivyTalks icon

    PrivyTalks Discontinued

    Safe chatting Send confidential information like passwords, emails and credit card numbers safely over an unencrypted network. No...

    Free Web / Cloud

  • Jongla icon


    Forget SMS. Chat with friends for free! Easily share text, stickers, images, videos, voice messages and more with your friends. Try...

    Freemium Android iPhone Android Tablet Windows Phone iPad

  • StealthChat icon


    StealthChat is a new secure app for calling and chatting with your friends and partners. With advanced encryption technology, your...

    Free Android iPhone Android Tablet

  • BitMail icon


    - Qt E-Mail Client. - Build-in Encryption to secure E-Mails - Secure P2P Email from Friend to Friend without relying on a central...

    Open Source Windows

  • WWChat icon


    Chat with people you know, or find new friends. Main Features: Share messages, photos, videos, sound/voice recordings and location. ...

    Free Android Android Tablet

  • Vojer Messenger icon

    Vojer Messenger

    Turn your iPhone into smart and secure Walkie Talkie. Send HD voice, take and share photos, tap some text delivered directly to your...

    Commercial iPhone

  • chatstep icon


    Secure / Private / Beautiful Online Group Chat Security All nicknames, messages, and images are encrypted on your computer...

    Free Web / Cloud

  • WowApp icon


    WowApp helps you do good through the Power of Sharing. We share all revenues with you. WowApp Messenger is free and you can receive...

    Freemium Mac Windows Android iPhone Android Tablet iPad

  • Photo4Tune icon

    Photo4Tune Discontinued

    Photo4tune is a free application that provides a simple way to capture and share the best moments of your life on your Android phone....

    Free Android iPhone

  • Symphony icon


    Chat, SMS, and share all of your files all in one place. Perzo is the secure and more productive solution to your communication needs....

    Free Web / Cloud

  • SumRando Messenger icon

    SumRando Messenger

    SumRando Messenger is a secure, real-time chat app that encrypts messages between you and your friends. SumRando is committed to...

    Free Android iPhone

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