Discotech - Opentable for nightlife. Tickets, guest lists, and VIP.
Zombie Loyalists - Using Great Service to Create Rabid Fans
Partle - Revolutionizing the way people get together
ChatWhale - Gamify your customer communication and loyalty rewards
Open Loyalty for Startups - Open source stack for building customer focused products
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.