UnitedMasters - Creator tools for artists to get smart, get fans, get paid

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

Field Engineer - Field Engineer is an online marketplace that connects businesses who have jobs with Telecom Engineers who have the skills and availability to complete them.

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

Artisfy - Focus on creating things, leave the details to us

Bigtent - BigTent is a web-based organization and communication portal for groups.