General

App stores

• Chrome Web Store
• Microsoft Edge addons

Apple

• Apple developer documentation
• Swift language documentation

community desperation for lack of Apple support

• Open Radar: community bug reporting
• SwiftUI Lab gists and blog of experiments

Blogs

• Chrome
• Chromium
• Stackoverflow
• web.dev

Docker

• Root minimal images: Ubuntu, Alpine

E-commerce

• Amazon Seller Central reference

How-to's

• Digital Ocean documentation

Malware scanning

• VirusTotal: analyse suspicious files, domains, IPs and URLs

Multimedia tools

• ffmpeg

Shells

• bash reference manual
• dash reference manual
• zsh reference manual

Style guides

• PEP 8 – Style Guide for Python Code

Google publishes more than a dozen style guides for various languages here. This is an abbreviated list.

• Google HTML style guide
• Google Java style guide
• Google Javascript style guide
• Google Objective-C style guide
• Google Swift style guide
• Google Typescript style guide
• Google XML style guide

Version management environments

• Python version manager
• Node version manager
• Ruby version manager

Web dev

API documentation

• Chrome browser web extensions
• Firefox browser web extensions
• Opera browser web extensions
• Edge browser web extensions
• Safari browser web extensions

Browser compatibility

• Can I use
• Browserslist

Example code

• Chrome extension samples
• MDN extension examples
• MDN DOM examples
• Material components

Patterns

• web.dev animation, clipboard, components, etc...

Releases & Roadmaps

• Chrome release notes
• Chrome release cycle
• Chrome roadmap
• Firefox roadmap

Test

• Chrome devtools protocol
• Jest
• MochaJS
• Playwright
• Puppeteer