Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
Adium
Open Source
Adium is an Open source multi-protocol instant messaging client for Mac OS X, supports MSN, Jabber, Yahoo! and other networks.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Linphone
Open Source
Linphone is a free voice over IP (VoIP) service and SIP client.
Psi
Open Source
Psi is a free instant messaging application designed for the XMPP network (including Google Talk). Fast and lightweight, Psi is fully open-source and compatib…
Kopete
Open Source
Kopete is a multi-protocol, free software instant messaging client released as part of the KDE Software Compilation. Although it can run in numerous environme…
Ring
Open Source
Ring (SFLphone) is an open-source SIP-compatible softphone and instant messenger for Linux, Microsoft Windows, OS X and Android.
FaceTime
Freemium
FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime Audio is an audio-only version.
iMessage
Free
iMessage is an instant messaging service.
Spark
Open Source
Apache Spark is an open-source cluster-computing framework.
KakaoTalk
Freemium
KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features.
Rambox
Open Source
Rambox is a free and Open Source messaging and emailing app that combines common web applications into one.
Blink
Freemium
Blink is the best real-time communications client using the SIP protocol.
Zulip
Open Source
Zulip is a chat and collaborative software.
Tkabber
Open Source
Tkabber is a GPL instant messaging client for the XMPP protocol which uses the Tk toolkit for the GUI.
Pidgin
Open Source
Pidgin is a free and open-source chat client which supports AIM, Google Talk, ICQ, XMPP protocols.
Tox
Open Source
Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption.
Jitsi
Open Source
Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application.
LINE
Freemium
LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are.
Wire
Free
Wire is a cross-platform, encrypted instant messaging client created by Wire Swiss. It is available for iOS, Android, Linux, Windows, macOS and Web browser cl…
Franz
Free
Franz is a free messaging app /former emperor of Austria, that combines chat & messaging services into one application.
ICQ
Free
ICQ is an open source instant messaging software.
Quassel IRC
Open Source
Quassel IRC, or Quassel, is a graphical, distributed, cross-platform IRC client.
Matrix.org
Open Source
Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with…
qutIM
Open Source
qutIM is free and open-source multiprotocol (ICQ, Jabber, Mail.Ru, IRC, VKontakte) instant messenger.
Psi+
Open Source
Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users. Psi+ is a development branch of Psi IM XMPP/Jabber client.
Zoiper
Freemium
Zoiper is an easy to use sip video softphone, with excellent voice quality and easy to setup.
Coccinella
Open Source
Coccinella is a free and open-source cross-platform client for the XMPP/Jabber-instant messaging-protocol.
Dialog Messenger
Free Personal
Dialog Messenger is a handy and feature-rich enterprise multi-device messenger available for server or cloud.
YakYak
Open Source
YakYak is a desktop chat client for Google Hangouts.
Compare Empathy with alternatives
Compare Quassel IRC and Empathy and decide which is most suitable for you.
Compare Dialog Messenger and Empathy and decide which is most suitable for you.