Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
inRiver - inRiver offers product information management solutions helping B2C and B2B multi-channel commerce tell perfect stories across channels.
Event Hunt - Startups and Tech Events Curated By Locals
Akeneo - Akeneo is an open-source Product Information Management solution.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Alkemics - Alkemics is a multi-channel product page management platform.