Color
Design
The Boolean Game
The Bézier Game
DESIGNERCIZE
Color Contrast Checker | WCAG Compliant
WCAG - Contrast Checker
Web Accessibility Color Contrast Checker - Meet WCAG Conformance
Design Systems Repo
Our Help Scout Brand Guidelines
Lightning Design System
Color | Mailchimp
Design — Shopify Polaris
Fluent 2 Design System
Pixso - Online UI/UX Design Tool
BP&O - Branding, Packaging and Opinion
The best resources for designers in one place - bookmarks.design
Graphite | Web-based vector graphics editor and design tool
Este app é editor de imagem, de pintura, VFX, motion e design gráfico
Fontpair - Free, beautiful fonts and font pairings curated just for you
Fontjoy - Generate font pairings in one click
Godly — Astronomically good web design inspiration
Page Flows - user flow design inspiration
Page Collective
Screenlane
Sketchpad - Desenhe, Crie, Compartilhe!
AutoDraw
Excalidraw
Maze | The continuous product discovery platform
Pafolios - Best design portfolio examples and case studies
Wireflow - Free Wire / User Flow Tool
Quant-UX - Prototype, Test and Learn - 4.4.0