Jungle Scout - Amazon product research made easy.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Inventory Spy - Spy how many products remain on any Amazon Product’s offer listing page.
Splash - Anyone can create a Splash event, whether you're a company hosting a single event or an individual hosting a personal event like a birthday or wedding. Get Started for Free. Text goes here. X. Full Event Program.
AMZScout - AMZScout extension will help you make a decision about picking a niche based on the actual data, not intuition.
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.