Mastodon - Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!
eXo Platform - Digital workplace solution
Diaspora - The online social world where you are in control.
Basecamp - A simple and elegant project management system.
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Slack - A messaging app for teams who see through the Earth!