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

SimIM, Simple Instant Messenger, is a multiple protocol instant messenger for MS Windows, GNU/Linux, FreeBSD. SimIM supports Jabber/XMPP, Google Talk, ICQ and AIM (Oscar), Yahoo! Messenger and Microsoft Messenger (MSN)protocols. SimIM is a free software, licensed under the GNU General Public License (GPL). SimIM is based on the Qt library, and can be built with KDEsupport option.

Links to official Sim-IM sites

Features

The Best 52 Sim-IM Alternatives

1709 Like

Thunderbird

thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.

Free Open Source Windows Linux BSD Mac Haiku

Customizable Extensible by Plugins/Extensions Portable Integrated Chat Built in RSS reader Calendar integration Free API Import from Google Reader Integrated Web Browser Multiple Account support Export to OPML Import feeds from OPML POP3 Support Tabbed interface
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
218 Like

Digsby

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 simple to manage buddy list.

Free Open Source Windows
209 Like

Imo

Message and video chat with your friends and family for free.

Free Windows Android iPhone Android Tablet iPad

Video calling Voice Call Voice messages Push to talk
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
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
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
68 Like

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
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
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
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

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
23 Like

Tencent QQ

Tencent QQ, generally referred to as QQ, is the most popular free instant messaging computer program in Mainland China, and has over 856.2 million users. In April 2010, QQ.com ranked 10th overall in Alexas internet rankings.

Free Mac OS X Windows Android iPhone Android Tablet iPad Windows Phone Facebook

Search app for alternative

Alternativein is a new approach to finding good application.
Just type what software you want to change and browse great alternatives, based on our great community recommendations.

Alternativein is powered by a community that helps you make informed decisions. Tell us what you’re passionate about to get your personalized feed and help others.

Alternativein is a product recommendation community that helps connect people with the best products for them. You shouldn’t have to waste time and money to find solutions to your problems. By collecting the knowledge of enthusiasts across the world through recommendations, we can quickly and confidently show people the truth about a product.

We dream of a world where products succeed or fail on their own merits, and allowing people the space to share their thoughts is the first step in achieving that.

Sim-IM

Links to official Sim-IM sites

Features

Categories

Tags

The Best 52 Sim-IM Alternatives

Thunderbird

Pidgin

Adium

Trillian

Jitsi

Miranda IM

Digsby

Imo

Facebook Messenger

Empathy

IM+

Yahoo! Messenger

Franz

Psi

Kopete

ICQ

Instantbird

Spark

qutIM

Tencent QQ

Search app for alternative

Menu