Alternatives to Trillian for all platforms with any license

  • Skype icon

    Skype

    Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Blackberry Windows RT Android Tablet BSD Windows Phone iPad Apple Watch Android Wear

  • 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...

    Open Source Mac Windows Linux BSD 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...

    Free Windows Web / Cloud Android iPhone Chrome OS Android Tablet ... iPad Chrome Android Wear

  • 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....

    Free Web / Cloud Android iPhone S60 Blackberry Android Tablet ... Windows Phone iPad Blackberry 10 Android Wear Kindle Fire

  • 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...

    Open Source Mac

  • 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

  • Jitsi icon

    Jitsi

    Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols...

    Open Source Mac Windows Linux Web / Cloud Android 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...

    Open Source Windows

  • Digsby icon

    Digsby Discontinued

    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...

    Open Source Windows

  • Empathy icon

    Empathy

    Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell...

    Open Source Linux BSD

  • Signal icon

    Signal

    TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees...

    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...

    Free Windows Web / Cloud Android iPhone Blackberry Android Tablet ... iPad Apple Watch Android Wear

  • 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...

    Freemium Mac Windows Web / Cloud Android iPhone iPad

  • 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...

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

  • LINE icon

    LINE

    LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics...

    Freemium Mac Windows Web / Cloud Windows Mobile Android iPhone ... Android Tablet Windows Phone iPad

  • Kopete icon

    Kopete

    Kopete is an instant messenger supporting AIM, ICQ, MSN, Yahoo, Jabber, IRC, Gadu-Gadu, Novell GroupWise Messenger, and more. It is...

    Open Source Mac Linux BSD

  • FaceTime icon

    FaceTime

    FaceTime is a video calling software feature developed by Apple for the iPod Touch 4, iPhone 4, and Mac OSX. FaceTime makes it...

    Free Mac iPhone iPad

  • 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...

    Free Mac Windows Linux Web / Cloud Windows Mobile Android ... iPhone Java Mobile S60 Blackberry Android Tablet Windows Phone iPad Kindle Fire

  • Instantbird icon

    Instantbird Discontinued

    Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software...

    Open Source Mac Windows Linux

  • 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...

    Free Windows Mobile Android iPhone S60

  • Apple Messages icon

    Apple Messages

    Apple Messages lets you send messages to anyone on a Mac, or an iPhone, iPad, or iPod touch running iOS 5. Messages appear on your Mac...

    Free Mac iPhone iPad

  • Miranda NG icon

    Miranda NG

    Miranda New Generation is a successor of a popular multi-protocol instant messaging client for Windows -...

    Open Source Windows

  • Quassel IRC icon

    Quassel IRC

    Quassel IRC is a modern, cross-platform, distributed IRC client based on the Qt4 framework. Distributed means that one (or multiple)...

    Open Source Mac Windows Linux

  • Gajim

    The goal of Gajim is to provide a full featured and easy to use Jabber client. Gajim works nicely with GNOME, but does not require it...

    Open Source Windows Linux BSD Xfce

  • 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

  • Spark icon

    Spark

    Spark is an Open Source, cross-platform IM client optimized for businesses and organizations. It features built-in support for group...

    Open Source Mac Windows Linux Self-Hosted

  • Psi+ icon

    Psi+

    Psi+ is a development branch of Psi IM XMPP/Jabber client. Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed...

    Open Source Mac Windows Linux BSD

  • Finch icon

    Finch

    Finch is a console-based IM program that lets you sign on to AIM, Jabber, MSN, IRC, Yahoo!, and other IM networks. It runs on Unixes....

    Open Source Linux Xfce

  • 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....

    Freemium Android iPhone Blackberry Windows Phone Android Wear Kindle Fire

  • qutIM icon

    qutIM Discontinued

    qutIM - free open-source multiprotocol ( ICQ, Jabber/GTalk/Ya.Online/LiveJournal.com, Mail.Ru, IRC ) instant messenger for Windows...

    Open Source Mac Windows Linux S60 BSD Haiku

  • 1click.io icon

    1click.io

    1CLICK.io is live chat application which allows you to Video, Voice and Text Chat while also Co-Browsing with visitors on your...

    Freemium Web / Cloud

  • 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...

    Open Source Mac Windows iPhone iPad

  • QIP Infium icon

    QIP Infium Warning

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

    Free Windows iPhone S60

  • Bit Chat icon

    Bit Chat

    Technitium Bit Chat is a secure, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. It can...

    Open Source Windows Linux

  • 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...

    Commercial Web / Cloud