Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.
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.
AllAnswered - Your Team's Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI