MarketingDB is a helpful website where people can share the projects, apps, or websites they have built. It is designed for creators who want more people to see their work. When you list your project on MarketingDB, you get a special link that helps your website show up higher on Google search results. This is called a "backlink," and it is a great way to improve your site’s ranking for free. It is a simple and friendly community where you can find new users, get traffic, and grow your online business without spending any money.