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Whistle Phone

Whistle Phone is an app for calling or texting your family and friends for free over Wifi or your...

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Open-Source Alternatives to Whistle Phone

Wire

Product categories

Chat Communication Group Chat & Notifications Messaging

Summary

The top open-source alternatives to Whistle Phone are Wire. 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. Wire Landing Page
    Wire Landing Page
    1

    Wire

    Private & Secure Messenger
    Pricing:
    • Open Source

    #Communication #Group Chat & Notifications #Messaging 14 social mentions

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