Slack
Freemium
Slack is a cloud-based team collaboration tool.
HipChat
Freemium
HipChat is a web service for internal private online chat and instant messaging.
qiscus
Free Personal
Qiscus provide everything you need to power up your app with chats.
Gitter
Freemium
Gitter is an open source instant messaging and chat room system for developers and users of GitHub repositories.
Mattermost
Open Source
Mattermost is an open source, private cloud Slack-alternative, Workplace messaging for web, PCs and phones. MIT-licensed.
eXo Platform
Commercial
eXo Platform is an open source, standard-based, Enterprise Social Collaboration Platform.
Dialog Messenger
Free Personal
Dialog Messenger is a handy and feature-rich enterprise multi-device messenger available for server or cloud.
Compare Hack Chat with alternatives
Compare Mattermost and Hack Chat and decide which is most suitable for you.
Compare eXo Platform and Hack Chat and decide which is most suitable for you.
Compare Dialog Messenger and Hack Chat and decide which is most suitable for you.