granim.js

With no dependencies and a minimal library size, Granim.js ensures fast loading and performance, as highlighted in the key features and README's emphasis on being lightweight.

The README shows a straightforward setup with just a canvas element and a few lines of JavaScript, making it simple to add animated gradients without complex configuration.

It supports user interactions like mouse movement and clicks, enabling dynamic visual feedback without extensive event handling, as mentioned in the key features for interactive gradients.

Developers can fine-tune gradient direction, opacity, blending modes, and speed, providing flexibility for various design needs, as detailed in the customizable options section.