Alternatives to Whistle Phone for all platforms with any license

Platforms

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  • Skype icon

    Skype

    Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call over the internet. Users can also call landlines and mobiles at competitive rates using Skype credit...

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

  • Jitsi icon

    Jitsi

    Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR...

    Open Source Mac Windows Linux Web / Cloud Android BSD

  • YakYak icon

    YakYak

    What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * Toggle notifications on/off * Drag-drop, copy-paste or...

    Open Source Mac Windows Linux

    No features added Add a feature
  • Telephone icon

    Telephone

    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 appropriate SIP provider, including Google Voice via Gizmo5. If your office or home phone works via SIP...

    Open Source Mac

  • MicroSIP icon

    MicroSIP

    MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or on regular telephones) via open SIP protocol. From cloud of SIP providers you can choose best for you...

    Open Source Windows PortableApps.com

  • Phoner icon

    Phoner

    Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner can be used as softphone on stationary and mobilecomputer devices attached to anlogue or digital (ISDN)...

    Free Windows

  • Speek icon

    Speek

    At Speek we’re dedicated to bringing you super simple conference calling with no dial-ins, pins or downloads. Participants click the Speek link to start or join a call from their phone, web or mobile browser. You can see who’s joined...

    Freemium Web / Cloud Android iPhone Windows Phone

  • Toky icon

    Toky

    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 between Silent Circle members, anywhere, anytime, with complete control. Make a secure call as...

    Commercial Android iPhone Android Tablet iPad

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