• 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

  • 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 BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com FreeBSD

  • 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 to one or with a group! "Hangouts" are places used to facilitate group video chat (with...

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

  • 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

  • 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. WhatsApp Messenger is available for iPhone, BlackBerry, Android, Windows Phone and Nokia and yes, those...

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

  • Signal icon

    Signal

    TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or...

    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 once and more. Top Features: • Message friends, groups of friends or anyone in your mobile...

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

  • Wire icon

    Wire

    Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages - everything is end-to-end encrypted. Wire works on Android, iOS...

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

  • LINE icon

    LINE

    LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics, video and audio media, make free VoIP calls, and hold free audio or video conferences.

    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 owned by the Russian "mail.ru" group (known for one of the largest social networks). ICQ has...

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

  • Riot.im icon

    Riot.im

    Riot (formerly Vector) is an opensource interoperable app running on Web, iOS and Android. It is built around chat rooms, both public and private and provides messaging, filesharing, voice and video conferencing (beta on Android and...

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

  • WeChat icon

    WeChat

    WeChat is a complete mobile communication and private social networking app. Free, cross-platform, and full-featured, WeChat is the best way to keep in touch with everyone you care about. Features WECHAT OUT CALLS: Make calls to...

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

  • Know any more alternatives to Viber?

    Suggest an application to this list
  • 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, wave, and laugh with anyone on an iDevice or Mac over Wi-Fi. So you can catch up, hang out, joke...

    Freemium Mac iPhone iPad

  • 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

  • Kik icon

    Kik

    Kik helps you stay connected and keep in the loop with friends, all through chat. Kik offers free, unlimited texting to Kik users worldwide, no matter what type of smartphone they use. FEATURES • Choose who to chat with...

    Free Android iPhone S60 Windows Phone 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 messaging and stickers so you can chat instantly with the ones you love. By focusing on beautiful design...

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

  • Nimbuzz icon

    Nimbuzz

    Nimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls to other Nimbuzz users are free. PAY to call mobile or landline phones for as little as $0.02/minute in...

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

  • 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 protect your privacy and keep you in control: • Retract – The ability to take back messages and photos...

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

  • Share this list of alternatives?

  • Bleep icon

    Bleep

    Private instant messaging via secure, distributed technology. Download & Go Enjoy the benefits of having an account without the hassle of creating one. Simply download the app, invite your friends and start chatting. ...

    Free Mac Windows Android iPhone Android Tablet iPad

  • Zulip icon

    Zulip

    Powerful open source group chat. Features: Threaded group conversations Talk about multiple topics at once without getting lost or overwhelmed. One-on-one and group private conversations Have private conversations with one...

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

  • 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. (no SMS service) Message arrivals are instantly notified with Push Alert and you can send...

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

  • Tango icon

    Tango

    Tango allows you to easily connect with friends & family or make new friends. Make video & voice calls, send text messages, play games, send music messages powered by Spotify and more all for free. Easy to use - No login...

    Freemium Android iPhone Android Tablet iPad

  • Voxeet icon

    Voxeet

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

    Free Windows 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 · Start a group chat · Find a place to meet up · Share your location in real time as...

    Free Web / Cloud 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 Cognitive Messenger™. Your Cognitive Messenger delivers, monitors, and independently audits your...

    Free Personal iPhone iPad

  • Actor Messenger icon

    Actor Messenger

    Modile-first open source self-hosted messaging platform that allows to easily create your own messaging app.

    Open Source Mac Windows Linux Web / Cloud Android iPhone Android Tablet iPad Self-Hosted

  • Fring icon

    Fring

    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 phone or iPod. It offers video calls to other Fring users on any advanced smartphone over both 3G...

    Freemium Android iPhone

    • Discontinued The apps seem to be no longer updated. Last versions, released in February 2014, can be still downloaded from the appstores.
  • Onoff icon

    Onoff

    Get multiple phone numbers on your current phone, instantly. Onoff Numbers work with your regular SIM card & monthly contract - switch them ‘on’ or ‘off’ to control your availability and access them from any smartphone.

    Free iPhone iPad

  • 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 through private chats. Download our messaging app and get 1TB of free storage in the Spotbros cloud

    Free Web / Cloud Android iPhone

  • Indoona icon

    Indoona

    Indoona is the first app to communicate and share your posts with the contacts in your phonebook Features: * FREE CALLS FOREVER: indoona offers you 100 min/month of free calls to Western Europe (landlines) and Canada, China, US ...

    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 showing you both sides of the story. We're moving forward from static and synchronous messaging....

    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 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

  • Tinychat icon

    Tinychat

    Tinychat is easy and free video chat rooms for all. Browse through the free video chat rooms to meet friends or make your own chat room. No downloads, no signup, no problem.

    Free Web / Cloud Android iPhone Android Tablet iPad

  • Camfrog icon

    Camfrog

    Free live webcam video chat room software for multiple desktop platforms including mobile platforms like iOS and Android. Make free live audio & video calls world-wide or Join live webcam chat rooms or host your own for free...

    Freemium Mac Windows Linux Android iPhone Android Tablet iPad Kindle Fire

  • Talkonaut icon

    Talkonaut

    Talkonaut is a free Jabber (XMPP) client for your iPhone or iPod with free peer-to-peer voice calling over Jingle Audio extension compatible with GoogleTalk™. Talkonaut can be used with any standard Jabber account like Gmail, Gizmo5™...

    Free Windows Android iPhone S60 iPad