Sametab - Share company announcements in your coworker's new tab
Shoutboards - Internal announcement platform for better knowledge sharing.
Qwurty - The place to build your community and share interests.
Slack - A messaging app for teams who see through the Earth!
Tealfeed - A knowledge sharing platform to empower creators
AirSend - Connect with People to get work done. Have conversations, share files, complete tasks, and get work done in one space.