Klu - Find information instantly. Search engine that works for you.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Day Zero Project - The largest community of challenge based goal setters in the World.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.