Apps for all platforms with any license

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Show 25 less popular platforms
  • Skype

    An instant messaging app that provides online text message and video chat services.

     

    Freemium Mac Windows Linux Web Android iPhone Blackberry Chrome OS ... Windows S Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com

  • Thunderbird

    Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.

     

    Free Open Source Mac Windows Linux BSD PortableApps.com Haiku

  • Pidgin

    Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat networks all at once.

     

    Free Open Source Mac OS X Windows Linux BSD PortableApps.com Xfce

  • 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 Windows Mobile Android iPhone Blackberry ... Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com FreeBSD

  • Tox

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

     

    Tox icon

    Free Open Source Mac Windows Linux Android iPhone Android Tablet BSD

  • Asana

    Asana is the easiest way for teams to track their work so they can get results. It’s free to use, simple to get started, and powerful enough to run your entire business.

     

    Asana icon

    Freemium $ $ $ Web Android iPhone

  • 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...

     

    Signal icon

    Free Open Source Mac Windows Linux Android iPhone Android Tablet iPad Chrome

  • Adium

    Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under the GNU GPL and developed by the Adium team.

     

    Adium icon

    Free Open Source Mac OS X

  • Jitsi

    Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP...

     

    Jitsi icon

    Free Open Source Mac OS X Windows Linux Web Android BSD

  • Trillian

    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as...

     

    Trillian icon

    Freemium Mac OS X Windows Linux Web Android iPhone Blackberry iPad

  • Miranda IM

    Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols.

     

    Miranda IM icon

    Free Open Source Windows PortableApps.com

  • Digsby

    Digsby is a multiprotocol IM client that lets you chat with all your friends on AIM, MSN, Yahoo, ICQ, Google Talk, and Jabber with one simple to manage buddy list.

     

    Digsby icon

    Free Open Source Windows

    • Discontinued The application is not developed actively anymore. The source code has been made open for the community to take over but that didn't make any impact: http://github.com/ifwe/digsby | http://web.archive.org/web/20121205002331/http://blog.digsby.com/archives/1969/
  • Imo

    Message and video chat with your friends and family for free.

     

    Imo icon

    Free Windows Android iPhone Android Tablet iPad

  • 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 icon

    Free Personal $ $ $ Open Source Mac Windows Linux Web Android iPhone Android Tablet iPad

  • Glip

    Glip is instant messaging for teams and businesses to communicate and get work done at the same time. In Glip you work where your conversations are, so you always know what your team is doing and what needs to get done next.

     

    Glip icon

    Freemium Mac OS X Windows Web Android iPhone Android Tablet iPad

  • Empathy

    Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application.

     

    Empathy icon

    Free Open Source Linux BSD

    • Discontinued Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
  • Minds

    We are a free and open-source platform to launch your digital brand, social network and mobile app. We are also a social network ourselves. It is a global social network of social networks.

     

    Minds icon

    Free Open Source Web Android iPhone

  • Meebo

    Meebo is integrated, all-in-one instant messaging (IM client) that connects you with your friends everywhere.

     

    Meebo icon

    Free Mac OS X Windows Linux Web Android iPhone Blackberry

    • Discontinued Meebo was acquired by Google on June 4, 2012.
  • Windows Live Messenger

    With Live Messenger you can chat online instantly in real time with friends, family and colleagues. Its faster than e-mail, more discreet than a phone call.

     

    Windows Live Messenger icon

    Free Mac OS X Windows Web iPhone

    • Discontinued Messenger has moved to http://hypervtx.in/software/skype and is no longer available since April 2013.
  • 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.

     

    Nimbuzz icon

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

  • Unison

    Unison is for business: a fast messenger and group collaboration tool that lets teams work much more quickly together, especially across different locations and time zones. It syncs instantly across your smartphone, tablet, or computer.

     

    Unison icon

    Freemium Windows Web Android iPhone Chrome OS Android Tablet iPad

    • Discontinued Unison was closed to focus on a new team chat app, FreshTeam.
  • IM+

    Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Google Talk, AIM, Jabber, ICQ, Facebook, MySpace and Twitter on ALL popular mobile platforms.

     

    IM+ icon

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

  • Hall

    Real-time chat & texting for business teams.

     

    Hall icon

    Freemium Mac OS X Windows Linux Web Android iPhone iPad

    • Discontinued Hall has been acquired by Atlassian, and the product will cease of exist in favour of HipChat.
  • 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.

     

    LINE icon

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

  • Yahoo! Messenger

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

     

    Yahoo! Messenger icon

    Free Web Android iPhone Blackberry

    • Discontinued Yahoo Messenger will no longer be supported after July 17, 2018.