Instant Messengers Page 9 of 17

All apps in Instant Messengers category. Use the filters below to narrow down your search. 
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  1. Smoke Messenger is an open-source Instant Messenger that is known as the first mobile Messenger worlwide using the encryption algorithm McEliece. To be downloaded at F-Droid.org or Github.com. Smoke provides with its own Server-Software: SmokeStack-Echo-Server.

    Smoke 1:1 Window Chat
    Smoke Login-Screen
    Smoke asymetric Group-Chat
    53 alternatives
  2. qutIM icon
     27 likes

    qutIM - free open-source multiprotocol ( ICQ, Jabber/GTalk/Ya.Online/LiveJournal.com, Mail.Ru, IRC )

    Main
    30 alternatives
  3. i-net CoWork icon
     7 likes

    Text and video chat for your teams with unlimited users. Invite any customer to a conference. GDPR-compliant as self-hosted on your own server or in the cloud. Cross-platform support for Windows, Linux, macOS, and as a Docker container.

    Chatting in multiple channel. There, too, is an emoji and an optional GIF picker.
    4 alternatives
  4.  2 likes

    A fork of Signal for Android with proprietary Google binary blobs removed. Uses OpenStreetMap for maps and a websocket server connection, instead of Google Maps and Firebase Cloud Messaging.

    52 alternatives
  5. Semaphor icon
     13 likes

    Zero Knowledge, end-to-end encrypted collaboration tool for teams and businesses. Reviewable source code. Python wrapper for bots & integrations. Encryption white paper. Native offline mode. Faster file-sharing. Built for enterprise.

    Semaphor screenshot 1
    37 alternatives
  6. aMSN icon
     24 likes

    aMSN is a free open source MSN Messenger clone. aMSN attempts to emulate the look and feel of Windows Live Messenger, and supports many of its features.

    Offline Messaging Voice Clips Display pictures Custom emoticons Multi-.

    aMSN screenshot 1
    20 alternatives
  7. Emoty icon
     4 likes

    Emoty is a messaging application with emphasis on simplicity, freedom and safety. It's a client for RetroShare network, hence use the same decentralized, Friend-to-Friend network structure with end-to-end encryprtion.

    27 alternatives
  8. Sylk Suite icon
     3 likes

    Sylk Suite allows the creation and delivery of rich multimedia applications accessed by SIP Clients, XMPP endpoints and WebRTC applications.

    • Video Calling App
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Sylk Suite screenshot 1
    42 alternatives
  9. AQQ is a Polish (but available in English) multiprotocol instant messenger with support of: AQQ, Jabber, Gadu-Gadu, Tlen and ICQ. It has many great features like: one tabbed message window for all conversations; quick search for contacts; file sending (even through FTP thanks to...

    Default skin.
    28 alternatives
  10. QuteCom icon
     16 likes

    QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you to make free PC to PC video and voice calls, and to integrate all your IM contacts...

    QuteCom screenshot 1
    49 alternatives
  11. OpenTalk.eu icon
     2 likes

    A secure video conferencing solution for businesses of all sizes. With focus on digital sovereignty and data protection.

    • Video Calling App
    • PaidOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Software as a Service (SaaS)
    Video conferencing. Moderating.
    12 alternatives
  12. Ayttm icon
     13 likes

    Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging services from one simple program. Ayttm "Contacts" allow you to refer to several accounts of the same person from a single contact name...

    Ayttm screenshot 1
    41 alternatives
  13. Messenger for Desktop is a wrapper for the official client messenger.com. Therefore it works like a regular browser which can only navigate to the messenger.com web app. MFD doesn't touch your messages, account or personal data. All that is handled securely by Facebook.

    Messenger for Desktop screenshot 1
    84 alternatives
  14. Openfire icon
     14 likes

    Openfire (formerly Wildfire) is a cross-platform instant messaging (IM) and groupchat server. It uses the only widely adopted open protocol for instant messaging, XMPP (also called Jabber). Openfire is incredibly easy to setup and administer, but offers rock-solid security and...

    Openfire screenshot 1
    15 alternatives