Facebook Local - Discover places to go and events happening near you
Clearbit for Slack - Send all signups directly to a Slack channel
TechEvents.co - Tech and startup events aggregator
Photostash - Automatically save your pictures from Slack to Gdrive
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Slack It - A bookmarklet to share links in Slack with one click