The instant on-demand Atomic CSS engine. UnoCSS is an engine instead of a framework because there are no core utilities - all the functionalities are provided via presets or inline configurations. We are imagining UnoCSS being able to simulate the functionalities of most of the existing atomic CSS frameworks. And possibly have been used as the engine to create some new atomic CSS frameworks!

Kamran Ahmed has developed this light-weight, no-dependency, vanilla JavaScript engine to drive user's focus across the page.

A declarative, efficient, and flexible JavaScript validation library for Humans. V4f provides a lot of rules that you can use to build complex validation without the need to be a javascript expert.