Pidgin
Open Source
Pidgin is a free and open-source chat client which supports AIM, Google Talk, ICQ, XMPP protocols.
WhatsApp Messenger
Free
WhatsApp Messenger is an instant messaging platform owned by Facebook.
Tox
Open Source
Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption.
Signal
Open Source
Signal is the most scalable encryption tool.
Linphone
Open Source
Linphone is a free voice over IP (VoIP) service and SIP client.
Mattermost
Open Source
Mattermost is an open source, private cloud Slack-alternative, Workplace messaging for web, PCs and phones. MIT-licensed.
Ring
Open Source
Ring (SFLphone) is an open-source SIP-compatible softphone and instant messenger for Linux, Microsoft Windows, OS X and Android.
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.
OpenMeetings
Open Source
OpenMeetings is software used for presenting, online training, web conferencing, collaborative whiteboard drawing and document editing, and user desktop shari…
X-Lite
Commercial
X-Lite is a freeware VoIP soft phone that uses the Session Initiation Protocol.
Telephone
Open Source
Telephone allows you to make phone calls over the Internet or your company’s network.
QuteCom
Open Source
QuteCom (WengoPhone) is a free-software SIP-compliant VoIP client.
Wickr
Free
Wickr is an instant messenger application.
Telegram
Free
Telegram is a free cloud-based instant messaging platform.
Slack
Freemium
Slack is a cloud-based team collaboration tool.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
join.me
Freemium
join.me is a free screen sharing, online meetings and team collaboration platform.
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…
FaceTime
Freemium
FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime Audio is an audio-only version.
Spark
Open Source
Apache Spark is an open-source cluster-computing framework.
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.
Blink
Freemium
Blink is the best real-time communications client using the SIP protocol.
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 Jitsi with alternatives
Compare WhatsApp Messenger and Jitsi and decide which is most suitable for you.
Compare Dialog Messenger and Jitsi and decide which is most suitable for you.