Showcase Web Projects With Realistic Chrome Mockups – browser-mockup.js
A JavaScript library that allows you to generate realistic Chrome browser mockups for documentation, marketing materials, or even portfolio pieces.
JavaScript & CSS Mockup
Macbook (M1) Keyboard Mockup In Pure CSS
An animated, interactive Mackbook (M1 chip) keyboard mockup created using only HTML and CSS/CSS3.
Create A Skeleton Screen From Auto Generated Placeholders – Placeholdifier
A CSS library that lets you generate a Skeleton Screen (also called website wireframe, website mockup) from any HTML elements within the document.