• 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

  • 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

  • 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

  • Glip icon

    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. Video...

    Freemium Mac Windows Web / Cloud Android iPhone Android Tablet iPad

  • iMessage icon

    iMessage

    Love iMessage on your iPhone? You'll love it on your Mac, too. Messages lets you send unlimited messages to anyone on a Mac, iOS device, or Apple Watch. Your messages can include photos, videos, documents, audio, and contacts, and...

    Free Mac iPhone iPad Apple Watch

  • 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

  • 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

  • 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

  • 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

  • Campfire icon

    Campfire

    Campfire is a simple web-based real-time group chat tool for business. It makes real-time communication with 2-60 people as simple as visiting a web page. It’s elegant, easy, and web-based. You don’t need to download, install, or...

    Commercial Web / Cloud iPhone

  • 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

  • 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

  • Know any more alternatives to Trillian?

    Suggest an application to this list
  • Tango icon

    Tango

    Tango allows you to easily connect with friends & family or make new friends. Make video & voice calls, send text messages, play games, send music messages powered by Spotify and more all for free. Easy to use - No login...

    Freemium Android iPhone Android Tablet iPad

  • 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

  • Tencent QQ icon

    Tencent QQ

    Tencent QQ, generally referred to as QQ, is the most popular free instant messaging computer program in Mainland China, and has over 856.2 million users. In April 2010, QQ.com ranked 10th overall in Alexas internet rankings.

    Free Mac Windows Android iPhone Android Tablet Windows Phone iPad Facebook

  • 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

  • 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

  • Brosix icon

    Brosix

    Brosix is a secure Instant Messaging and collaboration tool, ideal for everyday communication for business and leisure. Two different versions of Brosix give you the opportunity to choose the version best for you. » Brosix...

    Free Personal Mac Windows Linux Web / Cloud Android iPhone Android Tablet iPad

  • Share this list of alternatives?

  • LimeChat icon

    LimeChat

    LimeChat is an IRC client for Windows, Mac OS X and iOS. Features Can connect to multiple servers in a window By key operation was rich, achieve a sense of comfortable operation Customization capabilities over the details ...

    Open Source Mac Windows iPhone iPad

  • 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

  • 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.
  • 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

  • Indoona icon

    Indoona

    Indoona is the first app to communicate and share your posts with the contacts in your phonebook Features: * FREE CALLS FOREVER: indoona offers you 100 min/month of free calls to Western Europe (landlines) and Canada, China, US ...

    Freemium Mac Windows Web / Cloud Android iPhone Windows Phone

  • Camfrog icon

    Camfrog

    Free live webcam video chat room software for multiple desktop platforms including mobile platforms like iOS and Android. Make free live audio & video calls world-wide or Join live webcam chat rooms or host your own for free...

    Freemium Mac Windows Linux Android iPhone Android Tablet iPad Kindle Fire

  • Paltalk icon

    Paltalk

    Paltalk is an instant messaging service that enables users to communicate via internet chat, voice and video chat. It offers chat rooms and the ability for users to create their own public virtual chat room. Free live video chat...

    Freemium Mac Windows Web / Cloud Android iPhone Kindle Fire

  • 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

  • Monal icon

    Monal

    Monal is an XMPP/Jabber IM client. It can connect to any standard XMPP chat server such as Gtalk or Facebook chat. Notable features: - Free and No Ads! Strong focus on privacy. Does not phone home and does not have...

    Free iPhone

  • QIP Infium icon

    QIP Infium

    QIP Infium is a multiprotocol instant messaging client. It supports ICQ (OSCAR), Jabber (XMPP), Mail.ru Agnet (MRA), IRC, XIMSS, SIP, Twitter, Facebook and other.

    Free Windows iPhone S60

    • Warning Potential Malware. Check comments.
  • Line2 icon

    Line2

    Line2 is a VoIP phone service that lets you call & text from a separate phone number via WiFi or 3G/4G/LTE. At a small premium, Text & call ANYONE in the US/Canada, forwarding & more. Pick any phone number. Line2 gives...

    Commercial Mac Windows Android iPhone Android Tablet iPad Apple Watch Kindle Fire

  • GV Connect icon

    GV Connect

    GV Connect is an unofficial iPhone/iPod Touch application for Google Voice. It stores your account password securely in your device's keychain for faster logins - communication is done via secure connections (SSL) to the Google...

    Commercial iPhone iPad

  • GlobalMeet icon

    GlobalMeet

    GlobalMeet is designed to make online meetings and presentations easy. Use it to connect with large groups anywhere in the world. Easy to use Web meetings don't have to be complicated. GlobalMeet has intuitive interface and...

    Commercial Mac Windows Android iPhone Blackberry iPad

  • Palringo icon

    Palringo

    Palringo is the lightweight Instant Messaging client for desktop computers. Express yourself in chat with emoticons and smileys to show your friends how you’re feeling. Send voice messages at the click of a button so your friends can...

    Free Personal Mac Windows Windows Mobile Android iPhone Java Mobile S60 Blackberry

  • OneTeam icon

    OneTeam

    OneTeam – simple, secure and easy to use. OneTeam is a versatile instant messaging client that is very intuitive to use. Even people who are new to instant messaging will find it easy to get started, while experienced users will...

    Open Source Mac Windows Linux Web / Cloud iPhone iPad Firefox

  • 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