AirSend - Connect with People to get work done. Have conversations, share files, complete tasks, and get work done in one space.
Tealfeed - A knowledge sharing platform to empower creators
Twake - Be more productive with Twake : the collaborative work platform to organize and manage all your projects on a single platform.
Slack - A messaging app for teams who see through the Earth!
Lunyr - A decentralized crowdsourced encyclopedia.
Dropbox - Online Sync and File Sharing