Article Forge - Article Forge is a smart content writer.
CodePen - A front end web development playground.
Phrazor - Phrazor is an AI-powered, reporting automation platform based on Natural Language Generation technology. It provides insights in words.
JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Copywritely - Copywritely is software that allows you to optimize and make your contact perfect for your website, blogs, and company.
JS Bin - Sample of the bin: