Pinegrow is a Mac, Windows and Linux web editor that lets you build responsive websites faster with live multi-page editing, CSS & SASS styling, CSS Grid editor and smart components for Bootstrap, Foundation and WordPress. Pinegrow is a desktop website builder that opens and saves standard HTML and CSS files. That means: You won’t be locked into a proprietary file format. Just open and edit your existing projects. Use Pinegrow alongside other web development tools.