eese - Eese is a Germany-based publishing platform that connects people to write in a collaborative environment.

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

Bitly - Get the most out of your social and online marketing efforts. Own, understand and activate your best audience through the power of the link with Bitly Enterprise.

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

Headway - Keep customers in the loop about your product.

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