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SUM - Secure Ultimate Messenger

SUM is a simple secure desktop instant messenger for local networks.

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Open-Source Alternatives to SUM - Secure Ultimate Messenger

LAN Messenger

Product categories

Communication Corporate Intranets Group Chat & Notifications Work Collaboration

Summary

The top open-source alternatives to SUM - Secure Ultimate Messenger are LAN Messenger. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. LAN Messenger Landing Page
    LAN Messenger Landing Page
    1

    LAN Messenger

    LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
    Pricing:
    • Open Source

    #Communication #Group Chat & Notifications #Work Collaboration

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