Alternatives to iMessage for all platforms with any license

  • Pidgin icon

    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. It has built-in support for NSS, offering client-to-server message encryption for...

    Open Source Mac Windows Linux BSD PortableApps.com Xfce

  • 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

  • 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

  • Trillian icon

    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...

    Freemium Mac Windows Linux Web / Cloud Android iPhone Blackberry iPad

  • Adium icon

    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. Based on the libpurple protocol library, Adium can connect you...

    Open Source Mac

  • 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

  • Empathy icon

    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. ...

    Open Source Linux BSD

  • Miranda IM icon

    Miranda IM

    Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols. Designed from the ground-up to be resource efficient while still providing a rich feature set, Miranda includes support for AIM, Jabber...

    Open Source Windows PortableApps.com

  • Psi icon

    Psi

    Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open Jabber IM network (also known as XMPP). Localized versions of Psi are available in almost twenty different languages. Built-in...

    Open Source Mac Windows Linux BSD

  • Digsby icon

    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. Its also a social networking tool that alerts you of events like new...

    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: https://github.com/ifwe/digsby | https://web.archive.org/web/20121205002331/http://blog.digsby.com/archives/1969/
  • 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

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  • IM+ icon

    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. The widest selection of unique features...

    Freemium Web / Cloud Windows Mobile Android iPhone Java Mobile S60 HP webOS Blackberry 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

  • Conversations icon

    Conversations

    Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG]. [Note] You can download it from F-Droid: ...

    Freemium Android Android Tablet Self-Hosted

  • 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

  • Disa icon

    Disa

    Unified Messaging is awesome! Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.

    Open Source Android Android Tablet Kindle Fire

  • 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

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  • MetroIRC icon

    MetroIRC

    An IRC client for the Windows desktop which follows the Metro design guidelines.

    Open Source Windows

  • AIM icon

    AIM

    AOL Instant Messenger is an instant messaging and presence computer program which uses the proprietary OSCAR instant messaging protocol and the TOC protocol to allow registered users to communicate in real time.HistoryAOL Instant...

    Freemium Mac Windows Web / Cloud Windows Mobile Android iPhone Blackberry Windows RT iPad

  • 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.
  • 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

  • SeaFour.club icon

    SeaFour.club

    SeaFour.club is a socket webchat supporting aesthetic username customization and stylized messages using a markup language similar to 'LISP', and supports a multitude of alternative clients. .

    Open Source Linux Web / Cloud

  • Messenger for Desktop icon

    Messenger for Desktop

    A simple & beautiful app for Facebook Messenger. Chat without distractions on any Operating System.

    Open Source Mac Windows Linux

    • Bundleware Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
  • 4talk Messenger icon

    4talk Messenger

    4talk IM service is a complete IM service for communicating with your phone contacts using your PC in the office or at home. You can transfer files and messages and access your correspondence from your mobile devices.

    Freemium Mac Windows Web / Cloud Android iPhone

  • Jabiru icon

    Jabiru

    Jabber client for Android.

    Free Android

    • Discontinued The app has been discontinued. Last version, 2.2.2.1, released in May 2013, can be still downloaded from Google Play Store.
  • Fire icon

    Fire

    Fire is a multi-protocol instant messenger client for Mac OS X based on freely available libraries for each service. Currently Fire handles AOL Instant Messenger®, ICQ®, MSN® Messenger, Jabber, limited IRC...

    Open Source Mac Linux BSD

    • Discontinued The project is no longer developed. Last version, 1.5.6, released in February 2006, can be still downloaded from SourceForge.
  • Gyach

    Gyach is a GTK+ based Yahoo! Chat client.

    Open Source Linux BSD

    • Discontinued The project seems to be no longer developed. Last version, v0.9.8, released in July 2004, can be still downloaded from the official website.
  • Bolt icon

    Bolt

    Communicate more effectively and more personably with your contacts by seeing each other type letter by letter. Completely free, with no subscription costs, no advertisements and no selling of messaging data.

    Free iPhone

  • OctroTalk icon

    OctroTalk

    OctroTalk is an Jabber/Gtalk client with support for GTalk (GMail) audio and Video calls. OctroTalk also supports SIP calling (through a provider of your choice). Features: 1 ) Connect securely to GTalk/Jabber 2) P2P...

    Free Mac Android iPhone Android Tablet Windows Phone iPad

  • Pidgin on MacOSX

    This is an unofficial native port of Pidgin to Mac OS X. It uses native GTK+ (www.gtk-osx.org) which provides better integration and does not require X11. It also comes with more plugins out of the box, including OTR.

    Open Source Mac

    • Discontinued Hasn't been updated since 2012.
  • LivnList icon

    LivnList

    Get your friends to do things with LivnList™, the fun and easy way to organize, share and discover what you and your friends want to do. The simple act of letting friends know what you want to do in the future opens up a world of...

    Free iPhone

  • Centericq

    Centericq is a text mode menu- and window-driven IM interface that supports the ICQ2000, Yahoo!, AIM, IRC, MSN, Gadu-Gadu and Jabber protocols.

    Open Source Mac Windows Linux BSD

    • Discontinued The program is no longer updated. Last version, 4.21.0, released in September 2005, can be still downloaded from the official website.
  • Pipe icon

    Pipe

    Pipe is an android app that enables you to receive information of your interest right away on your mobile devices without having to sort through a bunch of emails and social websites.

    Free Android Android Tablet

iMessage Comments

iSpammer

Positive Comment by fxmorin
about iMessage and iSpammer Apr 2016

iSpammer is a alternative that uses imessage to spam using imessage on any mac system.

Reply