Blissy - Easily collect, combine and share group video gifts
Skype for Slack - Move your slack discussions to a group skype call
Bunch - Bunch is a simple web dashboard that integrates with your teams' calendars.
Calls on Slack - Make voice calls in Slack
Slides with Friends - Interactive presentations for group engagement and live audience responses.
CallKite - Your website’s video call center in just one click.