Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
Discord
Free
Discord is a freeware proprietary VoIP application designed for gaming communities.
Rocket.Chat
Open Source
Rocket.Chat free open source chat solution.
HumHub
Open Source
HumHub is a free social network software and framework built to give you the tools to make teamwork easy and successful.
Slack
Freemium
Slack is a cloud-based team collaboration tool.
Diaspora
Open Source
Diaspora is a nonprofit, user-owned, distributed social network that is based upon the free Diaspora software.
eXo Platform
Commercial
eXo Platform is an open source, standard-based, Enterprise Social Collaboration Platform.
Compare Whaller with alternatives
Compare Rocket.Chat and Whaller and decide which is most suitable for you.
Compare eXo Platform and Whaller and decide which is most suitable for you.