Mockuper
Mockuper is a free online mockup generator that lets you design your products mockups easily and quickly. Choose between desktop mockups, phone mockups, tablet and even posters or business cards mockups. Show clients your works in a beautiful and realistic way.
https://mockuper.net...
CSS Stats
CSS Stats is a free and open source tool that's used by many companies and projects. It's intended to help CSS authors visualize their stylesheets and generate documentation for a design system.
https://cssstats.com...
Animista
Animista is a place where you can play with a collection of pre-made CSS animations, tweak them and get only those you will actually use.
https://animista.net/...
MagicPattern
A collection of tools to enhance your design and code workflow.
https://www.magicpattern.design/tools...
Spruce CSS Framework
A low-level, lightweight and modern CSS design system, authoring tool built on Sass. Give your project a solid foundation.
https://sprucecss.com/...
Article on spotting issues with overflow
https://www.smashingmagazine.com/2021/04/css-overflow-issues/
this article explains how you can write a script to see elements wider than the body and also help spot overflow and suggestions to fix it...
Copilot
GitHub Copilot uses the OpenAI Codex to suggest code and entire functions in real-time, right from your editor.
https://github.com/features/copilot...