Telegram
Free
Telegram is a free cloud-based instant messaging platform.
Mumble
Open Source
Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Discord
Free
Discord is a freeware proprietary VoIP application designed for gaming communities.
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…
Linphone
Open Source
Linphone is a free voice over IP (VoIP) service and SIP client.
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.
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…
Zulip
Open Source
Zulip is a chat and collaborative software.
Sneek
Freemium
Sneek is a constant presence tool for digital nomads, remote jobs.
YakYak
Open Source
YakYak is a desktop chat client for Google Hangouts.
Slack
Freemium
Slack is a cloud-based team collaboration tool.
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.
TeamSpeak
Freemium
TeamSpeak is software for quality voice communication via the Internet.
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.
Rocket.Chat
Open Source
Rocket.Chat free open source chat solution.
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.
QuteCom
Open Source
QuteCom (WengoPhone) is a free-software SIP-compliant VoIP client.
Dialog Messenger
Free Personal
Dialog Messenger is a handy and feature-rich enterprise multi-device messenger available for server or cloud.
Toky
Freemium
Toky is an automation platform.
Compare Skype with alternatives
Compare Dialog Messenger and Skype and decide which is most suitable for you.