Mobbin:

Discover real-world design inspiration.
Website Link: https://mobbin.com/

Dribble:

Dribble is a leading platform to showcase their work and connect with employers.
Website Link: https://dribbble.com/

Dark Design:

A Collection of the best handpicked dark theme website designs.
Website Link: https://www.dark.design/

Awwwards:

The Best Website(Designers and Developers) Inspiration.
Website Link :https://www.awwwards.com/