Software Alternatives & Reviews
Register | Login

Kallu.cc

Kallu is a free conference call service over the phone which is unlimited, worldwide, reliable, easy and software-free.

🚨 Kallu.cc has been discontinued
🔎 You can review its best alternatives below or view status details

Top 3 Open-Source Alternatives to Kallu.cc

Telegram Signal Element.io

Product categories

Chat Communication Group Chat & Notifications Group Messaging Instant Messaging Internet Calls Messaging Text Messaging

Summary

The top open-source alternatives to Kallu.cc are Telegram, Signal, and Element.io. 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. Telegram Landing Page
    Telegram Landing Page
    1

    Telegram

    Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
    Pricing:
    • Open Source

    #Communication #Messaging #Instant Messaging 129 social mentions

  2. Signal Landing Page
    Signal Landing Page
    2

    Signal

    Fast, simple & secure messaging. Privacy that fits in your pocket.
    Pricing:
    • Open Source

    #Communication #Group Chat & Notifications #Messaging 180 social mentions

  3. Element.io Landing Page
    Element.io Landing Page
    3

    Element.io

    Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
    Pricing:
    • Open Source
    • Free

    #Group Chat & Notifications #Communication #Chat 1 social mentions

Suggest an alternative
If you think we've missed something, please suggest an alternative to Kallu.cc.
Please use the Feedback button if you think any of the listed products shouldn't be regarded as open-source.

Kallu.cc discussion

Log in or Post with
Loading...