When we working on some projects we want to add some elements to them, so when people interact with your projects they find some unique and grab their attention. It also helps attract traffic to your projects as well as it gives you an advantage over other developers who's made simple projects.

1. AnimXYZ

AnimXYZ helps you create, customize, and compose animations for your website. Powered by CSS variables to allow a nearly limitless number of unique animations without writing a single keyframe.

2. Vizzu

Vizzu is a free, open-source JavaScript library for animated data stories and visualizations. You can build crazy things with this library, using the power of animation in data viz.

3. Party JS

Basically Party JS, JS library will help you to brighten the UX part with amazing visual effects! Just include the library in your HTML file, or install it via npm, and you're ready to go! All of the setups are done internally.

4. Theatre JS

Theatre JS is an animation library for high-fidelity motion graphics. It is designed to help you express detailed animation. It's basically a visual editor where you can animate DOM elements.

5. Glass UI

Glass UI is a free and open-source CSS UI library based on the glassmorphism design principles that will help you quickly design and build beautiful, websites and applications.

6. Whirl

Whirl will help you to create sick CSS loading animations with less effort! CSS loading animations with minimal effort! arc, basic, bounce, chase, color-range, color-wheel, different-directions, dots, etc...