Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
Telegram
Free
Telegram is a free cloud-based instant messaging platform.
Tox
Open Source
Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption.
Viber
Freemium
Viber Free Messenger and Phone Calls.
Signal
Open Source
Signal is the most scalable encryption tool.
Empathy
Open Source
Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication ov…
Franz
Free
Franz is a free messaging app /former emperor of Austria, that combines chat & messaging services into one application.
Gajim
Open Source
Gajim is an instant messaging client for the XMPP protocol which uses the GTK+ toolkit.
Rambox
Open Source
Rambox is a free and Open Source messaging and emailing app that combines common web applications into one.
Zulip
Open Source
Zulip is a chat and collaborative software.
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.
Pidgin
Open Source
Pidgin is a free and open-source chat client which supports AIM, Google Talk, ICQ, XMPP protocols.
Slack
Freemium
Slack is a cloud-based team collaboration tool.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Discord
Free
Discord is a freeware proprietary VoIP application designed for gaming communities.
Jitsi
Open Source
Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application.
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…
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…
BigBlueButton
Open Source
BigBlueButton is an open source web conferencing system.
QuteCom
Open Source
QuteCom (WengoPhone) is a free-software SIP-compliant VoIP client.
Tkabber
Open Source
Tkabber is a GPL instant messaging client for the XMPP protocol which uses the Tk toolkit for the GUI.
Toky
Freemium
Toky is an automation platform.
Compare Hangouts with alternatives
Compare Matrix.org and Hangouts and decide which is most suitable for you.
Compare BigBlueButton and Hangouts and decide which is most suitable for you.
Compare Dialog Messenger and Hangouts and decide which is most suitable for you.