Alternatives to Kaiwa for all platforms with any license

  • Pidgin icon


    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

  • Jitsi icon


    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

  • Trillian icon


    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Blackberry iPad

  • Adium icon


    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

  • Empathy icon


    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

  • 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

  • Psi icon


    Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open Jabber IM network (also known...

    Open Source Mac Windows Linux BSD

  • 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

  • Spark icon


    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+ 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

  • Jappix icon


    Jappix is a fresh new open social platform which enables you to create your own cloud, wherever you want to. People must be able to...

    Open Source Web / Cloud Self-Hosted

  • Kopete icon


    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

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  • 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

  • Movim icon


    Our philosophy is that your data are yours and you must always be in control. Movim achieves this through a complete decentralisation...

    Open Source Web / Cloud

  • YakYak icon


    What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete...

    Open Source Mac Windows Linux

  • WeeChat icon


    WeeChat is a fast, light and extensible chat client. It runs on many platforms (including Linux, BSD and Mac OS). WeeChat is: -...

    Open Source Mac Linux Android BSD Xfce

  • Coccinella icon


    Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration...

    Open Source Mac Windows Linux BSD

  • Ayttm icon


    Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging...

    Open Source Windows Linux BSD

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  • Kadu icon


    Kadu is an open source Jabber/XMPP and Gadu-Gadu instant messenger client for Linux, *BSD, Mac and Windows.

    Open Source Mac Windows Linux BSD

  • Pandion icon


    Pandion is an open source instant messaging client for XMPP networks. Keep in touch with friends or collaborate with colleagues...

    Open Source Windows

  • QIP Infium icon

    QIP Infium Warning

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

    Free Windows iPhone S60

  • BitlBee icon


    BitlBee brings IM (instant messaging) to IRC clients. It's a great solution for people who have an IRC client running all the time...

    Open Source Mac Windows Linux BSD

  • Profanity icon


    Commandline XMPP Client. Profanity was originally written for two main reasons. Firstly, the author wanted something similar to Irssi...

    Open Source Mac Windows Linux

  • Tor Messenger icon

    Tor Messenger

    Tor Messenger is a cross-platform chat program that aims to be secure by default and sends all of its traffic over Tor. It supports a...

    Open Source Mac Windows Linux

  • Sim-IM icon

    Sim-IM Discontinued

    Sim-IM, Simple Instant Messenger, is a multiple protocol instant messenger for MS Windows, GNU/Linux, FreeBSD. Sim-IM supports...

    Free Windows Linux BSD

  • Galaxium icon


    Galaxium is an instant messenger application designed for the GNOME desktop. It will allow you to connect to MSN, Jabber, and IRC. You...

    Free Linux

  • AstraChat icon


    AstraChat is a standalone and lightweight Jabber (XMPP) client application for mobile and desktop that connects directly to your XMPP...

    Commercial Mac Windows Linux Android iPhone iPad

  • OctroTalk icon


    OctroTalk is an Jabber/Gtalk client with support for GTalk (GMail) audio and Video calls. OctroTalk also supports SIP calling (through...

    Free Mac Android iPhone Android Tablet Windows Phone iPad

  • Centericq Discontinued

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

    Open Source Mac Windows Linux BSD

  • MCabber

    MCabber is a small XMPP (Jabber) console client. It includes features such as SASL/SSL/TLS support, MUC (Multi-User Chat) support...

    Open Source Mac Windows Linux BSD Xfce

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