Development Tools

• Compressor.io — Fast & efficient image compression
• SVGOMG — SVG minification
• Contrast ratio calculator
• Can I use… — Browser technology support

Design Resources

• Pixabay — Royalty free stock photography
• Unsplash — Royalty free stock photos
• Pexels — Royalty free photography
• Undraw — Royalty free illustrations
• Storyset — Free customizable illustrations (requires attribution)
• Mixkit — Free stock video (some restricted licences apply)

Design / Development

• Sustainable Web Design — Resources for developing low-carbon websites
• Ethical Web Development
• Design Tip: Never use black
• The correct way to do CSS breakpoints
• The 10 commandments of typography
• The 10 commandments of color theory
• The importance of code review
• Designing Beautiful Shadows in CSS
• PSR-12 - Extended Coding Style
• Planning Poker — Agile sprint planning tool

Accessibility

• WCAG Guidelines
• ally.js — Javascript accessibility API
• WCAG 2.1 A and AA checklist
• Bad ARIA practices
• Building a fully-accessible help tooltip
• Designing forms for gender diversity and inclusion
• The inaccessible web: how we got into this mess
• Writing HTML with accessibility in mind
• https://www.sarasoueidan.com/blog/focus-indicators/

Privacy / Security

• PrivacyTools
• Two-Factor Auth Directory
• Privacy focused user.js for Firefox
• Blackbird — Windows 10 Telemetry Blocking
• OpenSnitch — GNU/Linux application firewall
• Awesome Windows privacy — A list of tools, documentation and scripts for better privacy
• Your computer isn't yours
• How to Disable Cortana in Windows 10
• Disable web searches in Start menu
• Why 'I Have Nothing to Hide' Is the Wrong Way to Think About Surveillance

FOSS / DeGoogle

• Free Software Directory
• Defective by Design's DRM-Free Guide