Design standards for consistent, intuitive Apple platform experiences.
Design guidelines for intuitive, consistent Apple platform experiences

Comprehensive reference for designing Bitcoin applications and wallets

A curated library of design checklists for pages, components, flows, branding.

Practical design guidelines and tutorials for creating cohesive products

Guidance for creating humane digital products that prioritize well‑being
Open-source collection of design principles to guide teams and products

Open‑source platform for inclusive design methods and workshop facilitation