• 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

  • 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

  • Linphone icon

    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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • Know any more alternatives to Imo?

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  • 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

  • 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

  • Google Allo icon

    Google Allo

    Google Allo is a smart messaging app that helps you say more and do more. Express yourself better with stickers, Smart Reply, and HUGE emojis & text. Allo brings you the Google Assistant. Smart Reply Respond to messages...

    Free Android iPhone

  • Google Duo icon

    Google Duo

    Google Duo is the cross-platform, one-to-one video calling app that's simple, reliable and fun. FEATURES Cross-platform - Get closer to everyone you love with simple, high-quality video calling on iOS and Android. Easy to...

    Free 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

  • 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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  • 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

  • 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

  • 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

  • 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

  • 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

  • Pinger icon

    Pinger

    Pinger lets you text and talk free with the people you care about most, anywhere on the planet. Tap a picture and you'll see all of your communications—texts, pics, calls, voicemails—all in one place. Together with millions of...

    Free Personal Mac Windows Web / Cloud Android iPhone

  • 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

  • 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

  • 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

  • Gruveo icon

    Gruveo

    Gruveo is a website for unlimited, easy and secure video/voice calls online with just clicking a link. Gruveo works on all major platforms and often doesn’t even require a download, enabling you to stop troubleshooting and get down to...

    Freemium Web / Cloud Android iPhone Android Tablet iPad

  • AVAILO icon

    AVAILO

    AVAILO is a business communication app for teams. One place for internal and external communications, open groups for your team members, service providers and customers, with real time messaging, share emails, folders and files, in a...

    Free Android iPhone Android Tablet iPad

    • Discontinued The program seems to be no longer updated. Last app versions were released in September 2015 and can be still downloaded from the appstores. Anyway, according with their Facebook page, the company changed name to FASTEE Technologies and released a different product.
  • magicApp icon

    magicApp

    magicApp lets you choose your own phone number to get unlimited calling to the U.S and Canada.

    Commercial Android iPhone

  • 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

  • Jongla icon

    Jongla

    Forget SMS. Chat with friends for free! Easily share text, stickers, images, videos, voice messages and more with your friends. Try Jongla now, you’ll love it!.

    Freemium Android iPhone Android Tablet Windows Phone iPad

  • Vojer Messenger icon

    Vojer Messenger

    Turn your iPhone into smart and secure Walkie Talkie. Send HD voice, take and share photos, tap some text delivered directly to your peers. Without Internet. Fast, safe, anonymous. How Vojer can help you? It will rescue you in...

    Commercial iPhone

  • Silent Phone icon

    Silent Phone

    Silent Phone – Secure Encrypted Video & Voice Mobile Phone Calls You now have the ability to have secure encrypted phone calls between Silent Circle members, anywhere, anytime, with complete control. Make a secure call as...

    Commercial Android iPhone Android Tablet iPad