Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
QUnit - What is QUnit? QUnit is a powerful, easy-to-use JavaScript unit testing framework. It's used by the jQuery, jQuery UI and jQuery Mobile projects and is capable of testing any generic JavaScript code, including itself!
Placeit - Generate realistic product shots in seconds
Ava - Making conversations accessible for the deaf
Mediamodifier - Create beautiful designs and product mockups in seconds.
Chai - Chai is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework.