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 use.

Free
Open Source
Mac OS X
Linux
BSD

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

Links to official Kopete sites

Features

The Best 43 Kopete 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
329 Like

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.

Free Open Source Mac OS X

Customizable Multiple languages Tabbed interface Support for Themes Multiple protocols OTR
270 Like

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 as...

Freemium Mac OS X Windows Linux Android iPhone iPad Web Blackberry

POP3 Support Team Collaboration Facebook integration Multiple protocols
265 Like

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, ZRTP...

Free Open Source Mac OS X Windows Linux Android BSD Web

Video calling Multiple Account support Group chat WebRTC End to end encryption Multiple protocols iPhone/iPod sync OTR
221 Like

Miranda IM

Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols.

Free Open Source Windows

Portable Multiple protocols
180 Like

Facebook Messenger

Facebook Messenger is a faster way to message. Reach friends right on their phones, get and send messages fast, message everyone at once and more.

Free Windows Android iPhone Android Tablet iPad Web Blackberry Apple Watch

Video calling Voice Call Group chat
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)
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
82 Like

Franz

Franz is a free messaging app / former Emperor of Austria and combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp, WeChat, HipChat and many more.

Freemium

Multiple Account support Gmail integration Slack integration Multiple protocols iPhone/iPod sync Gitter integration Lightweight wrapper Unified messaging
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
63 Like

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).

Free Mac OS X Windows Linux Android iPhone Web Windows Mobile Java Mobile
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
41 Like

Miranda NG

miranda new generation is a successor of a popular multi-protocol instant messaging client for windows - miranda im . very light on system resources and extremely fast.

Free Open Source Windows

Extensible by Plugins/Extensions Portable Multiple languages
40 Like

Instantbird

instantbird is an instant messaging client based on mozilla xulrunner and the open source library libpurple created by the software developers of pidgin .

Free Open Source Mac OS X Windows Linux

Portable Multiple languages Multiple protocols
27 Like

qutIM

qutIM - free open-source multiprotocol ( ICQ, Jabber/GTalk/Ya.Online/LiveJournal.com, Mail.Ru, IRC ) instant messenger for Windows, Linux, MacOS X, OS/2, Symbian, Maemo/MeeGo, Solaris and *BSD.

Free Open Source Mac OS X Windows Linux BSD Haiku S60
26 Like

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 Mac OS X Windows Android iPhone Android Wear Kindle Fire Blackberry Windows Phone

Voice Call Group chat Based on phone number Secret chats
18 Like

Disa

Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.

Free Android Android Tablet Kindle Fire

Extensible by Plugins/Extensions Texting Unified messaging
18 Like

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. It uses GLib and ncurses.

Free Open Source Linux Xfce

Multiple protocols Command line interface
17 Like

Gaption

Gaption is an online platform that allows users to receive rewards and royalties from their content and social networking activities.

Freemium iPhone iPad Web

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Kopete

Links to official Kopete sites

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The Best 43 Kopete Alternatives

Pidgin

Adium

Trillian

Jitsi

Miranda IM

Facebook Messenger

Empathy

Wire

IM+

Franz

Psi

ICQ

Gajim

Miranda NG

Instantbird

qutIM

KakaoTalk

Disa

Finch

Gaption

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