Alternatives to CALLR for Linux with any license

Platforms

Show 24 less popular platforms
  • XiVO icon

    XiVO

    XiVO is an IP-PBX, a unified communications platform that connects phones on a local or private network with other networks such as public landlines and mobile...

    Free Open Source Mac Windows Linux

    No features added Add a feature
  • Blitzz - Live Video Chat icon

    Blitzz - Live Video Chat

    If your reps or customers are remote, you should check out Blitzz.co. They facilitate field service engineers and equipment end users through an easy video enabled...

    Commercial Mac Windows Linux Web Android iPhone Chrome OS Android Tablet ... iPad

  • engageSPARK icon

    engageSPARK

    engageSPARK enables anyone, anywhere to build and launch SMS and Voice Call messaging, surveying, and decision tree programs to 200+ countries – within minutes. It is a...

    Commercial Mac Windows Linux Web Android iPhone Chrome OS Android Tablet ... Windows Phone iPad

  • BudgetSMS.net icon

    BudgetSMS.net

    High quality and cheap SMS gateway with coverage of 900+ operators worldwide. ? Worldwide coverage ? Free testing ? Great pricing ? Easy HTTP(s) API

    Freemium Mac Windows Linux Web Windows Mobile Chrome OS Windows RT Self-Hosted ... C (programming language) C# JavaScript PHP C++ Java Objective-C

  • MSG91 - Bulk SMS API icon

    MSG91 - Bulk SMS API

    Send SMS Using Bulk SMS API is an easiest way to send short information directly from your platform with bulk SMS services. Bulk SMS API allows users to send automated...

    Free Open Source Windows Linux Android iPhone

  • TellusTalk

    This generation's digital mailman. 2way business class communication including SMS, Email, Fax, secure messages, messages with a digital signature. In operation...

    Commercial Mac Windows Linux Web Chrome OS tvOS

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