Alternatives to Whistle Phone for all platforms with any license

  • Skype icon


    Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Blackberry Chrome OS Windows RT Android Tablet BSD Windows Phone iPad Apple Watch Android Wear

  • Jitsi icon


    Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols...

    Open Source Mac Windows Linux Web / Cloud Android BSD

  • Wire icon


    Wire is a secure, private and open source messenger for phones, tablets and desktop. Crystal clear voice and video calls, private...

    Open Source Mac Windows Linux Web / Cloud Android iPhone ... Chrome OS Android Tablet iPad Microsoft Edge Chrome Opera Firefox

  • YakYak icon


    What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete...

    Open Source Mac Windows Linux

  • Phoner icon


    Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner can be...

    Free Windows

  • Telephone icon


    Telephone is a VoIP program which allows you to make phone calls over the internet. It can be used to call regular phones via any...

    Open Source Mac

  • MicroSIP icon


    MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or on...

    Open Source Windows

  • Speek icon


    At Speek we’re dedicated to bringing you super simple conference calling with no dial-ins, pins or downloads. Participants click the...

    Freemium Web / Cloud Android iPhone Windows Phone

  • Toky icon


    Toky is an easy to setup phone support system for entrepreneurs and small business.

    Freemium Mac Linux Web / Cloud Android Android Tablet Chrome

  • Silent Phone icon

    Silent Phone

    Silent Phone – Secure Encrypted Video & Voice Mobile Phone Calls You now have the ability to have secure encrypted phone calls...

    Commercial Android iPhone Android Tablet iPad

Whistle Phone Comments

Echo echo ... Feels empty in here

Maybe you want to be the first to submit a comment about Whistle Phone ? Just click the button up to your right!