Sell My App - Sellmyapp is a top quality mobile source codes marketplace with strong community elements
Alcamy - Free, open self-learning platform. Learn & teach anything.
Codester - The marketplace for ready-to-use web development assets
Stacks - A bookshelf for your online courses
CodeCanyon - Scripts and Snippets From $1 for PHP, JavaScript, ASP.NET, CSS, Plugins, HTML5, Mobile and more
Airschool - Airschool is a live-streaming educational platform with engagement and monetization tools to help anyone start teaching online. It can be finance, business, wellness, meditation, branding, marketing; in short, anything you want!