SkillMint - Find, meet and rate people with common skills and interests. Community-driven rating system.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
SurfersList - The ultimate online solution for finding, buying, and selling new and used surf equipment.
Ticket Tribe - Sell tickets online with no fees per ticket
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
pretix - pretix helps you to sell tickets for your event in an easy way. It supports multi-lingual events and provides a wide range of features