Alternatives to Zoiper for all platforms with any license

  • Hangouts icon

    Hangouts

    Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one...

    Free Windows Web / Cloud Android iPhone Chrome OS Android Tablet ... iPad Chrome 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

  • Jitsi icon

    Jitsi

    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

  • LINE icon

    LINE

    LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics...

    Freemium Mac Windows Web / Cloud Android iPhone Blackberry ... Android Tablet Windows Phone iPad Apple Watch

  • appear.in icon

    appear.in

    Video conversations with up to 8 people in your browser - no downloads, no login. Just name your channel and you are on. Works in all...

    Freemium Web / Cloud Android iPhone Android Tablet iPad

  • Nimbuzz icon

    Nimbuzz

    Nimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls to other...

    Freemium Mac Windows Web / Cloud Android iPhone Java Mobile ... S60 HP webOS Blackberry Android Tablet Windows Phone iPad Chrome Kindle Fire

  • Ekiga icon

    Ekiga

    Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323...

    Open Source Windows Linux

  • Wire icon

    Wire

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

    Free Mac Windows Web / Cloud Android iPhone Chrome OS ... Android Tablet iPad

  • CSipSimple icon

    CSipSimple

    csipsimple will allow native sip for android device. It relies on the pjsip SIP stack and use the pjsip-jni project. The use of...

    Open Source Android

  • YakYak icon

    YakYak

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

    Open Source Mac Windows Linux

  • Dasher Messenger icon

    Dasher Messenger

    Dasher lets you do more than just text message. It's messaging with benefits: · Connect with friends worldwide for free ...

    Free Web / Cloud Android iPhone

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  • X-Lite icon

    X-Lite

    Combining voice calls, video calls and Instant Messaging in a simple interface, CounterPath's X-Lite helps you seamlessly...

    Commercial Mac Windows

  • Sesame Chat icon

    Sesame Chat

    Sesame is a messaging app that gives you a self-aware digital assistant to protect messages on your behalf: your own Personal...

    Free Personal iPhone iPad

  • Zulip icon

    Zulip

    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

  • Voxox icon

    Voxox

    VoxOx is the first ever Universal Communicator Service that manages all forms of cross-media communication for consumers. Signup...

    Freemium Web / Cloud Android iPhone

  • QuteCom icon

    QuteCom Discontinued

    QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship...

    Open Source Mac Windows Linux

  • 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...

    Freemium Web / Cloud Android iPhone Windows Phone

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  • Spreed icon

    Spreed

    Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash...

    Commercial Mac Windows Linux Web / Cloud

  • Chatzy icon

    Chatzy

    Chatzy is a free private chat service which you can use to communicate with people you already know or people who visits your blog or...

    Free Web / Cloud

  • SeaFour.club icon

    SeaFour.club

    SeaFour.club is a socket webchat supporting aesthetic username customization and stylized messages using a markup language similar to...

    Open Source Linux Web / Cloud

  • shMessenger icon

    shMessenger Discontinued

    ShMessenger Mobile is a free instant messaging client for mobile phones, which supports YMSG (Yahoo!), MSN and GTalk protocols. In...

    Free Java Mobile

  • Voip Stunt icon

    Voip Stunt

    VoipStunt is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the...

    Free Windows

  • Firefly icon

    Firefly

    Firefly softphone is the easiest way to try Freshtel's great service from the comfort of your PC. Available completely free it...

    Free Mac Windows

  • WWChat icon

    WWChat

    Chat with people you know, or find new friends. Main Features: Share messages, photos, videos, sound/voice recordings and location. ...

    Free Android Android Tablet

  • Vojer Messenger icon

    Vojer Messenger

    Turn your iPhone into smart and secure Walkie Talkie. Send HD voice, take and share photos, tap some text delivered directly to your...

    Commercial iPhone

  • WowApp icon

    WowApp

    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

  • Photo4Tune icon

    Photo4Tune Discontinued

    Photo4tune is a free application that provides a simple way to capture and share the best moments of your life on your Android phone....

    Free Android iPhone

  • Phoner Second Phone Number icon

    Phoner Second Phone Number

    Phoner provides business owner, sales people, lawyers, doctors, police officers and others with a second phone number to protect their...

    Free iPhone iPad

  • Quack! Messenger icon

    Quack! Messenger

    Quack! Messenger is an Instant Messaging Service that pays you for chatting. The more you use the App, the more you earn. As simple...

    Free Android iPhone Android Tablet iPad