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    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

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    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...

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    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...

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    Linphone

    Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging. Linphone makes use of the SIP protocol, an open...

    Open Source Mac Windows Linux Web / Cloud Windows Mobile Android ... iPhone Android Tablet Windows Phone iPad Xfce

  • 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...

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    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

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    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. ...

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  • Franz icon

    Franz

    Franz is a free messaging app / former Emperor of Austria and combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp, WeChat, HipChat and many more. You can download Franz for Mac...

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  • Know any more alternatives to Imo?

    Suggest an application to this list
  • 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

    No features added Add a feature
  • Miranda IM icon

    Miranda IM

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    FaceTime

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    Yahoo! Messenger

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

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    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

  • Share this list of alternatives?

  • Kik icon

    Kik

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    Free Android iPhone S60 Windows Phone Kindle Fire

    No features added Add a feature
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    Nimbuzz

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    Free Android iPhone Android Tablet iPad

    No features added Add a feature
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    YakYak

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    Open Source Mac Windows Linux

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  • 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. ...

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    KakaoTalk

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

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    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...

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    qutIM

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    Open Source Mac Windows Linux S60 BSD Haiku

    No features added Add a feature
    • Discontinued The project seems to be no longer developed. Last versions for Windows, Mac, Linux and other platforms can be still downloaded from the official website.
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    Sesame Chat

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    Free Personal iPhone iPad

    No features added Add a feature
  • 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

    No features added Add a feature

Imo Comments

Love it

Positive Comment by Mighty_Mac
about Imo May 2012

If you use more than one instant messenger, this is a must have. You can go to there site and use it via browser, or use the app from a mobile device and log in to all your messengers at once. Saves time, and a lot of memory.

Reply

Very helpful

Positive Comment by marl30
about Imo and Ubuntu, Skype Jun 2011

I recently found this online messenger. It has been very helpful when it comes to making voice calls to MSN, Yahoo, and Skype on Linux (Ubuntu).

Reply

It's a great IM.

Positive Comment by eagavrilov
about Imo Jun 2011

Agree with other comments here - it's a great IM. Also it`s the best iphone IM app (including skype, icq, google talk, msn, jabber)

Reply

Perfect empty interface.

Positive Comment by Gideon88
about Imo and Google Chrome Jun 2011

perfect empty interface.
using it with Google Chrome extension. works great.

Reply

My favourite web-based IM service.

Positive Comment by tabakis
about Imo Jun 2011

Ease of use and obligatory HTTPS have made imo.im my favourite web-based IM service.

Reply