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

Spark is an Open Source, crossplatform IM client optimized for businesses and organizations. It features builtin support for group chat, telephony integration, and strong security. It also offers a great enduser experience with features like inline spell checking, group chat room bookmarks, and tabbed conversations.

Links to official Spark sites

Features

Extensible by Plugins/Extensions Tabbed interface Group chat

The Best 27 Spark 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
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
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
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
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
22 Like

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

Extensible by Plugins/Extensions Portable
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
16 Like

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 attach-button...

Free Open Source Mac OS X Windows Linux Hangouts
12 Like

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
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
8 Like

Messenger for Desktop

A simple & beautiful app for Facebook Messenger. Chat without distractions on any Operating System.

Free Open Source Mac OS X Windows Linux
8 Like

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.

Free Open Source Windows
8 Like

AQQ Instant Messanger

AQQ is a Polish (but available in English) multiprotocol instant messenger with support of: AQQ, Jabber, Gadu-Gadu, Tlen and ICQ.

Free Windows
6 Like

MetroIRC

An IRC client for the Windows desktop which follows the Metro design guidelines.

Free Open Source Windows

This page contains applications similar to the Spark

The Best Spark alternatives for Extensible by Plugins/Extensions, from Tabbed interface to a Group chat.
Alternatives in Spark for Mac OS X, Windows, Linux, BSD, Xfce, Android, iPhone, iPad, Web, Blackberry, Windows Mobile, HP webOS, Java Mobile, S60, Haiku, Android Wear, Kindle Fire, Windows Phone, Android Tablet, Hangouts. This list contains a total of 27 applications similar to Spark.

Last updated: 2020-07-03 01:30:33

Filter by Features

Extensible by Plugins/Extensions Portable Video calling Voice Call Multiple languages Multiple Account support Multiple protocols Multiple protocols support Multiple chat protocols Supports XMPP Customizable Tabbed interface Support for Themes OTR POP3 Support Team Collaboration Facebook integration Group chat WebRTC End to end encryption iPhone/iPod sync Built in File transfer Encrypted chat Based on phone number Secret chats Texting Unified messaging

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Spark

Links to official Spark sites

Features

Categories

Tags

The Best 27 Spark Alternatives

Pidgin

Adium

Trillian

Jitsi

Miranda IM

Empathy

IM+

Psi

Gajim

qutIM

KakaoTalk

QIP Infium

Disa

YakYak

Tkabber

Ayttm

Messenger for Desktop

Pandion

AQQ Instant Messanger

MetroIRC

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