• 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...

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

  • Telegram icon

    Telegram

    Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful.

    Free Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet Windows Phone iPad Apple Watch Android Wear

  • 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 iPad Blackberry 10 Android Wear Kindle Fire

  • Tox icon

    Tox

    Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

    Open Source Mac Windows Linux Android iPhone Android Tablet ... BSD

  • Signal icon

    Signal

    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

  • Facebook Messenger icon

    Facebook Messenger

    Facebook Messenger is a faster way to message. Reach friends right on their phones, get and send messages fast, message everyone at...

    Free Windows Web / Cloud Android iPhone Blackberry Android Tablet ... iPad Apple Watch Android Wear

  • 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

  • ICQ icon

    ICQ

    ICQ is one of the oldest instant messengers. First developed by the Israeli company Mirabilis, sold to AOL, sold again and currenly...

    Free Mac Windows Linux Web / Cloud Windows Mobile Android ... iPhone Java Mobile S60 Blackberry Android Tablet Windows Phone iPad Kindle Fire

  • FaceTime icon

    FaceTime

    FaceTime is a video calling software feature developed by Apple for the iOS and Mac OS. FaceTime makes it possible to talk, smile...

    Freemium Mac iPhone iPad

  • WeChat icon

    WeChat

    WeChat is the complete mobile communication and private social networking app. Free, cross-platform, and full-featured, WeChat is the...

    Freemium Mac Windows Android iPhone S60 Blackberry ... Android Tablet Windows Phone iPad Apple Watch

  • Kik icon

    Kik

    Get Kik Messenger for free and enjoy unlimited texting to all Kik users worldwide, no matter what type of smartphone they're into....

    Free Android iPhone S60 Windows Phone Kindle Fire

  • Know any more alternatives to Viber?

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  • 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

  • Path icon

    Path

    Path is a personal social network designed to help you be closer with family and friends. Now with Path 3, we’ve added private...

    Free Web / Cloud Android iPhone Android Tablet Windows Phone iPad ... Kindle Fire

  • ooVoo icon

    ooVoo

    Free high quality video chat and video conferencing from ooVoo. Talk live face-to-face with up to 6 people at once.

    Freemium Mac Windows Android iPhone Android Tablet Windows Phone ... iPad Kindle Fire

  • Wire icon

    Wire

    Wire is simple, beautiful conversations on your phone, tablet and desktop. Talk or message with friends, message with groups. Share...

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

  • Conversations icon

    Conversations

    Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy...

    Open Source Android Android Tablet

  • Vector.im icon

    Vector.im

    Vector is an opensource interoperable app running on Web, iOS and Android. It is built around chat rooms, both public and private and...

    Open Source Web / Cloud Android iPhone iPad Self-Hosted Chrome ... Safari Firefox

  • Share this list of alternatives?

  • KakaoTalk icon

    KakaoTalk

    KakaoTalk is a phone number based messenger service that allows users anywhere in the world to chat one-to-one or in a group for free....

    Freemium Mac Windows Android iPhone Blackberry Windows Phone ... Android Wear Kindle Fire

  • Kontalk icon

    Kontalk

    Kontalk is an open source replacement for WhatsApp. Server and client software are open and hosting your own server is possible but...

    Open Source Android Self-Hosted

  • BlackBerry Messenger icon

    BlackBerry Messenger

    BlackBerry Messenger is a FREE messaging app available for Blackberry, iOS, Android and Windows Phone. BBM has unique features to...

    Freemium Android iPhone Blackberry Android Tablet Windows Phone iPad ... Apple Watch Android Wear Kindle Fire

  • Bleep icon

    Bleep

    Private instant messaging via secure, distributed technology. Download & Go Enjoy the benefits of having an account without...

    Free Mac Windows Android iPhone Android Tablet iPad

  • Tango icon

    Tango

    Tango allows you to easily connect with friends & family or make new friends. Make video & voice calls, send text messages...

    Freemium Android iPhone Android Tablet iPad

  • 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

  • Voxeet icon

    Voxeet

    Free HD conference calls up to 8 participants. High definition voice, 3D immersive sound.

    Free Windows Android iPhone Android Tablet iPad

  • Fring icon

    Fring Discontinued

    Fring is a VoIP (voice over internet) app that allows you to make 2-way video calls, voice calls and live chat for free, from your...

    Freemium Android iPhone

  • 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

  • Onoff icon

    Onoff

    Get multiple phone numbers on your current phone, instantly. Onoff Numbers work with your regular SIM card & monthly contract -...

    Free 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

  • Isotoxin icon

    Isotoxin

    Multiprotocol messenger with Tox support.

    Open Source Windows

  • Spotbros icon

    Spotbros

    Spotbros is an app where you can discover and share all types of content through public chat groups (Spots) or with your friends...

    Free Web / Cloud Android iPhone

  • RebTel icon

    RebTel

    Free calls to Rebtel users and cheap international calling to everyone else – Use WiFi, 3G or local minutes to make calls **...

    Free Windows Android iPhone Blackberry Windows Phone

  • Indoona icon

    Indoona

    Indoona is the first app to communicate and share your posts with the contacts in your phonebook Features: * FREE CALLS FOREVER:...

    Freemium Mac Windows Web / Cloud Android iPhone Windows Phone

  • Say Hi! icon

    Say Hi!

    Say Hi allows you to send what you type while you're typing! With faster replies and hilarious messages guaranteed, we're...

    Free iPhone

  • 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