Duel - Customer advocacy platform for building ambassador programs

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Sigmento - Provides retailers with optimized product information on-demand to increase sales, reduce costs, and grow at scale.

Event Hunt - Startups and Tech Events Curated By Locals

Revieve - The Digital Beauty Advisor

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets