Whimsical Wireframes - Lightning fast wireframing with real-time collaboration.
CSS Wand - Easy copy-paste beautiful CSS animations
WING - A phone carrier that is actually nice to you.
App Animations - Gallery of beautiful iOS animations to inspire your next app
Spectre.css - Lightweight, responsive and modern CSS framework for faster and extensible development.
Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.