SlackPass - Subscription access to anything with Slack
Roomvine - Chatrooms for real life venues, neighborhoods and events
Magik for Slack - Magik enables founders, marketers & community builders to create the community experience they never knew was possible.
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Community Inviter - Auto invitations for Slack
CityBugs - Improving cities to make them a better place to live in.