Tkabber

Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many platforms (tested on Linux, FreeBSD, NetBSD, Solaris, MacOS X and Windows 98/2000/XP).

Free
Open Source
Mac OS X
Windows
Linux
BSD

Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many platforms (tested on Linux, FreeBSD, NetBSD, Solaris, MacOS X and Windows 98/2000/XP).

Links to official Tkabber sites

Features

The Best 50 Tkabber Alternatives

1427 Like

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.

Free Open Source Mac OS X Windows Linux BSD Xfce

Extensible by Plugins/Extensions Portable Video calling Voice Call Multiple languages Multiple Account support Multiple protocols Multiple protocols support Multiple chat protocols Supports XMPP
927 Like

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 to one or with a group! "Hangouts" are places used to facilitate group video chat (with a...

Free Windows Android iPhone Android Tablet iPad Chrome OS Web Chrome

Voice Call Gmail integration Group chat Multi Device Support Texting Voice messages WebRTC
590 Like

WhatsApp Messenger

WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.

Free Mac OS X Windows Android iPhone Android Tablet Web Blackberry S60

Built in File transfer Video calling Group chat Voice messages Encrypted chat End to end encryption Mobile friendly Based on phone number
154 Like

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.

Free Open Source Linux BSD

Built in File transfer Video calling Multiple protocols
144 Like

Wire

Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages - everything is end-to-end encrypted.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Web

Privacy focused Security focused Share your screen Video calling Voice Call Group chat WebRTC Encrypted chat Photo Sharing End to end encryption Integrated File Sharing Privacy Protected Encrypted calls Video chat (Encrypted)
117 Like

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.

Freemium Mac OS X Windows Android iPhone Web HP webOS Java Mobile S60
108 Like

Zulip

Zulip is a group chat app. Its most distinctive characteristic is that messages are threaded by topic, helping you have long-running, organized conversations.

Free Open Source Mac OS X Windows Linux Android iPhone BSD Web Self-Hosted

MarkDown support Group chat Group collaboration Team Collaboration Chat Bot Community based Integrated File Sharing GitHub integration Threaded Conversations
102 Like

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.

Freemium Android iPhone Web Blackberry Windows Mobile HP webOS Java Mobile S60

Multiple Account support Multiple protocols support
88 Like

Yahoo! Messenger

Stay in touch with your friends and family while sharing favorite photos using one of the most popular instant messaging applications.

Free Android iPhone Web Blackberry

Video calling Voice Call
77 Like

Psi

Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open XMPP network. Localized versions of Psi are available in almost twenty different languages.

Free Open Source Mac OS X Windows Linux BSD
62 Like

appear.in

Video conversations with up to 8 people in your browser - no downloads, no login. Just name your channel and you are on. Works in all modern browsers, even mobile.

Freemium Windows Android iPhone Android Tablet iPad Chrome OS Web

Group chat WebRTC No registration required Anonymity Anonymous email Stickers No installation
51 Like

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 to run. It is released under the GNU General Public License.

Free Open Source Mac OS X Windows Linux BSD Xfce

Video calling Multiple languages Tabbed interface Group chat Encrypted chat OTR Supports XMPP
29 Like

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.

Free Open Source Mac OS X Windows Linux Self-Hosted

Extensible by Plugins/Extensions Tabbed interface Group chat
27 Like

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.

Freemium Android iPhone Android Tablet iPad

Video calling Voice Call Photo Sharing
16 Like

Coccinella

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

Free Open Source Mac OS X Windows Linux BSD
13 Like

Phoner

Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP.

Free Windows
11 Like

Dasher Messenger

Dasher lets you do more than just text message.

Free Android iPhone Web

Group chat Youtube integration
11 Like

Camfrog

Free live webcam video chat room software for multiple desktop platforms including mobile platforms like iOS and Android.

Freemium Mac OS X Windows Linux Android iPhone Android Tablet iPad Kindle Fire
10 Like

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.

Free Open Source Windows Linux BSD
9 Like

Tpad

Tpad is a free program that uses the latest VoIP / SIP technology to bring free and crystal clear voice quality communications to any user all over the world.

Free Windows Web

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Tkabber

Links to official Tkabber sites

Features

Categories

Tags

The Best 50 Tkabber Alternatives

Pidgin

Hangouts

WhatsApp Messenger

Empathy

Wire

Nimbuzz

Zulip

IM+

Yahoo! Messenger

Psi

appear.in

Gajim

Spark

Tango

Coccinella

Phoner

Dasher Messenger

Camfrog

Ayttm

Tpad

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