X threadDesign Systems & Foundations · Content & voice
Curated set of 500+ real interface copy examples sorted by context: headlines, CTAs, error messages, account flows and slogans.
Why it’s a gem
Copy references organised by the screen you are stuck on, not by brand.
Open manual on digital project practice covering scoping, estimation, communication and the operational side of design work.
CSS-only convention marking which sentences in AI-assisted text are human: three span classes render as solid, dashed and dotted underlines.
Bank's public tone-of-voice guide with concrete before-and-after rewrites for money, error and sensitive-situation messaging.
Public content style guide covering voice, tone, grammar, accessibility of language and writing for specific interface contexts.
Cloudflare's public documentation style guide defining component usage, terminology and writing conventions for technical content.