Gumroad - An all-in-one solution to sell your work and grow your audience.
Jungle Scout - Amazon product research made easy.
Payhip - Sell digital downloads, courses, coaching, and more from one simple platform.
Helium 10 - Our software contains multiple Amazon seller tools to help you find high ranking keywords, identify trends, spy on competitors, & optimize product listings.
robora - Robora is a service which aims to help you sell anything, anyway you like.
Reviewbox - E-commerce data tool to monitor customer reviews, track online pricing, optimize AMS tools, and more from Amazon, Walmart, and other major online retailers.