Synapse Instant Messenger Alternatives

Synapse Instant Messenger is described as 'A beautiful, free, easy-to-use chat (instant messaging) application for the XMPP protocol (Jabber, Google Talk). Project has been discontinued, though source code is still available on website' and is a instant messenger in the social & communications category. There are eight alternatives to Synapse Instant Messenger for a variety of platforms, including Linux, Mac, Windows, BSD and Xfce. The best alternative is Pidgin, which is both free and Open Source. Other great apps like Synapse Instant Messenger are Adium, Gajim, Kopete and IM+.

Synapse Instant Messenger alternatives are mainly Instant Messengers but may also be Video Calling Apps or Encrypted Chat Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Synapse Instant Messenger.

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Synapse Instant Messenger

Free • Open Source
Instant Messenger
Linux

A beautiful, free, easy-to-use chat (instant messaging) application for the XMPP protocol (Jabber, Google Talk). Project...

Learn more about Synapse Instant Messenger

Pidgin
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Free • Open Source
Instant Messenger
Video Calling App
IRC Client
Mac
Windows
Linux
BSD
PortableApps.com
Xfce
117 alternatives to 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 protocols that support it.
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Pidgin Features
1. Extensible by Plugins/ExtensionsPidgin can be extended with add-ons, plugins and extensions.
2. Multiple Account supportPidgin support multiple accounts without the need to logout and login
3. VoiP CallsPidgin allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
4. PortablePidgin can be used from a USB stick or similar with no prior installation.
Support for Multiple protocols
Supports XMPP
IRC
Multiple languages
Multiple chat protocols
Messages
Xmpp
Adium
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No
Free • Open Source
Instant Messenger
Mac
70 alternatives to 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 to any number of messaging accounts on any...
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Adium Features
1. Support for ThemesYou can use themes and templates to change the look and feel of Adium.
Support for Multiple protocols
Xmpp
Supports XMPP
Multiple languages
Tabbed interface
Messages
OTR
Customizable
Gajim
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Yes
No
Free • Open Source
Instant Messenger
Video Calling App
Encrypted Chat App
Mac
Windows
Linux
BSD
Xfce
64 alternatives to Gajim
The goal of Gajim is to provide a full featured and easy to use XMPP client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.
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Gajim Features
1. DecentralizedGajim is based on a decentralized infrastructure with no single entity controlling it.
2. Extensible by Plugins/ExtensionsGajim can be extended with add-ons, plugins and extensions.
3. PGP EncryptionGajim supports PGP, an encryption system used for sending encrypted emails and files.
OMEMO
Supports XMPP
Audio Calling
Xmpp
OTR
Tabbed interface
Multiple languages
Kopete
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Yes
No
Free • Open Source
Instant Messenger
Mac
Linux
BSD
47 alternatives to Kopete
Kopete is an instant messenger supporting AIM, ICQ, Jabber, 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.
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Kopete Features
Xmpp
IM+
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No
Freemium • Proprietary
Instant Messenger
Online
Windows Mobile
Android
iPhone
Java Mobile
Symbian S60
HP webOS
Blackberry
Android Tablet
Windows Phone
iPad
Kindle Fire
107 alternatives to 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.

The widest selection of unique features that you won't find in any other IM client!.
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IM+ Features
1. Multiple Account supportIM+ support multiple accounts without the need to logout and login
Support for Multiple protocols
Tkabber
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No
Free • Open Source
Instant Messenger
Mac
Windows
Linux
BSD
48 alternatives to 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).

Tkabber has no features, suggest some!
Spark IM
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No
Free • Open Source
Instant Messenger
Mac
Windows
Linux
Self-Hosted
19 alternatives to Spark IM
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 features like in-line spell checking, group chat...
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Spark IM Features
1. Extensible by Plugins/ExtensionsSpark IM can be extended with add-ons, plugins and extensions.
2. Spell CheckingSpark IM can detect and correct all types of grammar and spelling mistakes.
Tabbed interface
Xmpp
Kmess
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No
Free • Open Source
Instant Messenger
Linux
6 alternatives to Kmess
KMess is the Live Messenger alternative for Linux, aiming at integration with the KDE desktop environment.
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Kmess Features
KDE
Discontinued
Last Update: 2013-11-10. See https://sourceforge.net/projects/kmess/

Showing 8 of 8 alternatives

Pidgin Features

Adium Features

Gajim Features

Kopete Features

IM+ Features

Spark IM Features

Kmess Features