Stacker lets you create web apps in your browser without code. So far we've got a few real apps running live – a social network, a platform business, a fact-checking portal, as well as demos of a few other apps on Stacker.

Designers, download the design stuff for free — icons, photos, UX illustrations, and music for your videos.

At Mozilla, we’re a global community of technologists, thinkers and builders working together to keep the Internet alive and accessible, so people worldwide can be informed contributors and creators of the Web. We believe this act of human collaboration across an open platform is essential to individual growth and our collective future.

Device Shots is a small web app that works as a tool to help you generate high-resolution device mockups with the screenshot of your website or mobile application, for free.