• 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

  • WhatsApp Messenger icon

    WhatsApp Messenger

    WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS....

    Free Mac Windows Web / Cloud Android iPhone S60 ... Blackberry Android Tablet Windows Phone Blackberry 10 Android Wear Kindle Fire

  • Signal icon


    TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees...

    Open Source Mac Windows Linux Android iPhone Chrome

  • Linphone icon


    Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet...

    Open Source Mac Windows Linux Web / Cloud Windows Mobile Android ... iPhone Android Tablet Windows Phone iPad Xfce

  • 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

  • Zulip icon


    Powerful open source group chat. Features: Threaded group conversations Talk about multiple topics at once without getting lost...

    Open Source Mac Windows Linux Web / Cloud Android iPhone ... BSD Self-Hosted

  • TrueConf icon


    Free software on-premises video conferencing server with strong UC capabilities and native apps for all major platforms.

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... iPad Self-Hosted Apple Watch

  • WowApp icon


    WowApp helps you do good through the Power of Sharing. We share all revenues with you. WowApp Messenger is free and you can receive...

    Freemium Mac Windows Android iPhone Android Tablet iPad