Alternatives to SUM - Secure Ultimate Messenger for all platforms with any license

Platforms

Show 7 less popular platforms
  • Squiggle icon

    Squiggle

    Squiggle is a free server-less peer to peer LAN messenger. Just download and run it and you're ready to talk to everyone on your LAN.

    Open Source Windows

    No features added Add a feature
  • BigAnt Office LAN Messenger icon

    BigAnt Office LAN Messenger

    BigAnt Office LAN Messenger offers rich features for secure and stable business communication. Including instant messaging, group discussion, remote desktop sharing...

    Commercial Windows

    No features added Add a feature
  • Softros LAN messenger icon

    Softros LAN messenger

    Local instant messaging application for an office chat, messages broadcast and files transfer. .

    Commercial Mac Windows Android Android Tablet

    No features added Add a feature
  • Lan Messenger

    LAN Messenger is a decentralized UDP IM-style chat client which supports usernames, guaranteed-delivery IMs, broadcast chat, encryption, file transfer, simple UI...

    Open Source Mac Windows Linux

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