ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Pagekite - Bring your localhost servers on-line.
Event Hunt - Startups and Tech Events Curated By Locals
Gotty - GoTTY is a simple command line tool that turns your CLI tools into web applications.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets