Alternatives to Kaiwa for all platforms with any license

Platforms

Web / Online

Indie / Classic

Other Platforms

Show 5 hidden platforms
  • 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 all at once. It has built-in support for NSS, offering client-to-server message encryption for...

    Open Source Mac Windows Linux BSD PortableApps.com Xfce

  • Jitsi icon

    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...

    Open Source Web / Cloud Mac Windows Linux Android BSD

  • Trillian icon

    Trillian

    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped...

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

  • 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...

    Open Source Mac

  • Empathy icon

    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. ...

    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 resource efficient while still providing a rich feature set, Miranda includes support for AIM, Jabber...

    Open Source Windows PortableApps.com

  • Psi icon

    Psi

    Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open Jabber IM network (also known as XMPP). Localized versions of Psi are available in almost twenty different languages. Built-in...

    Open Source Mac Windows Linux BSD

  • Spark icon

    Spark

    Spark is an Open Source, cross-platform IM client optimized for businesses and organizations. It features built-in support for group chat, telephony integration, and strong security. It also offers a great end-user experience with...

    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 for the Jabber power users.

    Open Source Mac Windows Linux BSD

  • Instantbird icon

    Instantbird

    Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software developers of Pidgin . Over 250 add-ons allow user customization...

    Open Source Mac Windows Linux PortableApps.com

  • Movim icon

    Movim

    Our philosophy is that your data are yours and you must always be in control. Movim achieves this through a complete decentralisation of users' data and accounts. Register wherever you want! Movim keeps you in touch with your...

    Open Source Web / Cloud

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  • WeeChat icon

    WeeChat

    WeeChat is a fast, light and extensible chat client. It runs on many platforms (including Linux, BSD and Mac OS). WeeChat is: - modular: a lightweight core with plugins around - multi-protocols: IRC and Jabber (other soon) -...

    Open Source Mac Linux Android BSD Xfce

  • Kopete icon

    Kopete

    Kopete is an instant messenger supporting AIM, ICQ, MSN, Yahoo, Jabber, IRC, Gadu-Gadu, Novell GroupWise Messenger, and more. It is designed to be a flexible and extensible multi-protocol system suitable for personal and enterprise...

    Open Source Mac Linux BSD

  • YakYak icon

    YakYak

    What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * Toggle notifications on/off * Drag-drop, copy-paste or...

    Open Source Mac Windows Linux

  • Coccinella icon

    Coccinella

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

    Open Source Mac Windows Linux BSD

  • Kadu icon

    Kadu

    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

  • Ayttm icon

    Ayttm

    Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging services from one simple program. Ayttm "Contacts" allow you to refer to several accounts of the...

    Open Source Windows Linux BSD

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  • Pandion icon

    Pandion

    Pandion is an open source instant messaging client for XMPP networks. Keep in touch with friends or collaborate with colleagues using Pandion instant messenger. Pandion is free software and uses open standards. Pandion is designed...

    Open Source Windows

  • 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.
  • BitlBee icon

    BitlBee

    BitlBee brings IM (instant messaging) to IRC clients. It's a great solution for people who have an IRC client running all the time and don't want to run an additional MSN/AIM/whatever client. BitlBee currently supports the...

    Open Source Mac Windows Linux BSD

  • 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 wide variety of transport networks, Off-the-Record (OTR) messaging and has an easy-to-use graphical...

    Open Source Mac Windows Linux

  • MCabber

    MCabber is a small XMPP (Jabber) console client. It includes features such as SASL/SSL/TLS support, MUC (Multi-User Chat) support, history logging, command completion, OpenPGP encryption, OTR (Off-the-Record Messaging) support...

    Open Source Mac Windows Linux BSD Xfce

  • Sim-IM icon

    Sim-IM

    Sim-IM, Simple Instant Messenger, is a multiple protocol instant messenger for MS Windows, GNU/Linux, FreeBSD. Sim-IM supports Jabber/XMPP, Google Talk, ICQ and AIM (Oscar), Yahoo! Messenger and Microsoft Messenger (MSN) protocols....

    Free Windows Linux BSD

    • Discontinued The project is no longer developed. Last versions for Windows and Linux date back to 2008, but they can be still downloaded from the official website.
  • Profanity icon

    Profanity

    Commandline XMPP Client. Profanity was originally written for two main reasons. Firstly, the author wanted something similar to Irssi, but with a focus on XMPP for use in his workplace. Secondly, it was a bit of fun and a learning...

    Open Source Mac Windows Linux

  • Galaxium icon

    Galaxium

    Galaxium is an instant messenger application designed for the GNOME desktop. It will allow you to connect to MSN, Jabber, and IRC. You can communicate with your family, friends and co-workers from around the world, using different...

    Free Linux

  • AstraChat icon

    AstraChat

    AstraChat is a standalone and lightweight Jabber (XMPP) client application for mobile and desktop that connects directly to your XMPP server without any proxies in-between.

    Commercial Mac Windows Linux Android iPhone iPad

  • OctroTalk icon

    OctroTalk

    OctroTalk is an Jabber/Gtalk client with support for GTalk (GMail) audio and Video calls. OctroTalk also supports SIP calling (through a provider of your choice). Features: 1 ) Connect securely to GTalk/Jabber 2) P2P...

    Free Mac Android iPhone Android Tablet Windows Phone iPad

  • Centericq

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

    Open Source Mac Windows Linux BSD

    • Discontinued The program is no longer updated. Last version, 4.21.0, released in September 2005, can be still downloaded from the official website.

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