GitHub Codespaces - GItHub Codespaces is a hosted remote coding environment by GitHub based on Visual Studio Codespaces integrated directly for GitHub.
CSS Scan - Instantly check or copy computed CSS from any element for only ~95$
CloudShell - Cloud Shell is a free admin machine with browser-based command-line access for managing your infrastructure and applications on Google Cloud Platform.
EazyCSS - No code CSS editor for any website.
StackHive - Design, develop or publish websites right from your browser
Hoverify - All-in-one browser extension to improve your web dev experience.