Startup Toolkit - Interactive how-to guides to launch your startup
Tictail - Start your own online store, and also discover and shop for products you can't find anywhere...
Techstars Entrepreneur's Toolkit - Online resource to help you learn about entrepreneurship
Content Marketing Stack - A curated directory of content marketing resources
AwesomeHunt - Community-curated lists of learning resources on any topic.
ShopFlow - Create a responsive online store in minutes