• 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

  • 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

  • Viber icon

    Viber

    Viber is a mobile application that lets you make free phone calls and send text messages to anyone who also has the application...

    Freemium Mac Windows Linux Android iPhone Windows RT ... Android Tablet Windows Phone iPad Blackberry 10 Apple Watch

  • 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

  • Trillian icon

    Trillian

    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Blackberry iPad

  • 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

  • Empathy icon

    Empathy

    Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell...

    Open Source Linux BSD

  • Imo icon

    Imo

    Message and video chat with your friends and family for free. Features - Make high-quality video and voice calls on Android and...

    Free Windows Android iPhone Android Tablet iPad

  • ChatSecure icon

    ChatSecure

    [ChatSecure by Chris Ballinger and Gibberbot by The Guardian Project have combined efforts!] ChatSecure (formerly “Gibberbot”) is...

    Open Source Android iPhone iPad

  • Know any more alternatives to WhatsApp Messenger?

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  • 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

  • Yahoo! Messenger icon

    Yahoo! Messenger

    Stay in touch with your friends and family while sharing favorite photos using one of the most popular instant messaging applications

    Free Web / Cloud Android iPhone Blackberry

  • 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

  • Threema icon

    Threema

    Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you...

    Commercial Android iPhone Android Tablet Windows Phone iPad Android Wear

  • 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

  • Franz icon

    Franz

    Franz is a free messaging app/former Emperor of Austria and combines chat & messaging services into one application. He currently...

    Free Mac Windows Linux

  • Share this list of alternatives?

  • 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

  • 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

  • Instantbird icon

    Instantbird Discontinued

    Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software...

    Open Source Mac 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

  • 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

  • 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

  • WhatsApp Web for Chrome icon

    WhatsApp Web for Chrome

    Simple and light WhatsApp Web client with beautiful icons, native behavior, and customizability options. NATIVE BEHAVIOR ...

    Free Mac Windows Linux Chrome

  • 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

  • Zello icon

    Zello

    The application is a push-to-talk (PTT) walkie-talkie for consumers and business and available for Android, iOS, Blackberry, Windows...

    Free Personal Windows Windows Mobile Android iPhone Blackberry Windows Phone

  • 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

  • Zoiper icon

    Zoiper

    Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Windows Phone

  • 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

  • GroupMe icon

    GroupMe

    GroupMe is the best way to chat with everyone you know. It's absolutely free, whether you're talking to a group of friends, or...

    Free Personal Web / Cloud Windows Mobile Android iPhone Blackberry Windows Phone ... Android Wear

  • Actor icon

    Actor

    Actor Messenger is an encrypted messaging created by a former developer of telegram.

    Open Source Mac Windows Linux Web / Cloud Android iPhone ... iPad

  • SureSpot icon

    SureSpot Warning

    SureSpot is an open source encrypted messenger designed to make encrypted messaging simple and accessible to anyone.

    Open Source Android iPhone iPad

  • Sicher icon

    Sicher

    Free secure Germany-based messenger available for iOS, Android and Windows Phone. Sicher has true end-to-end encryption of both text...

    Commercial Android iPhone Android Tablet Windows Phone iPad