Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
WhatsApp Messenger
Free
WhatsApp Messenger is an instant messaging platform owned by Facebook.
Signal
Open Source
Signal is the most scalable encryption tool.
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…
WeChat
Freemium
WeChat is a social media with instant messaging, commerce and payment services application.
Zulip
Open Source
Zulip is a chat and collaborative software.
Toky
Freemium
Toky is an automation platform.
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.
TeamSpeak
Freemium
TeamSpeak is software for quality voice communication via the Internet.
Mattermost
Open Source
Mattermost is an open source, private cloud Slack-alternative, Workplace messaging for web, PCs and phones. MIT-licensed.
ICQ
Free
ICQ is an open source instant messaging software.
KakaoTalk
Freemium
KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features.
Dialog Messenger
Free Personal
Dialog Messenger is a handy and feature-rich enterprise multi-device messenger available for server or cloud.
Compare Viber with alternatives
Compare WhatsApp Messenger and Viber and decide which is most suitable for you.
Compare Dialog Messenger and Viber and decide which is most suitable for you.