Reference library
The library
Reference resources you come back to while designing: standards, design systems, tools and more. Every entry links to its original and shows a licence check. Nothing here is rehosted. It is a reference set, not a news feed.
Licence Free to share open licence or public material Licence not confirmed link out only until you have checked the source Link out only never host or copy
Showing 7 of 54 resources
Tools 7
Things you use while designing and testing.
Tool
Free to share
CDC Clear Communication Index
cdc.gov
A scoring tool for plain-language health communication, built by CDC for public health materials but directly applicable to patient-facing copy and error messages. Score a screen's copy against it before assuming "we simplified it" is enough.
Accessibility Checked Oct 2026
(opens in a new tab)
Tool
Licence not confirmed
Figma
figma.com
The design tool this site's own mockups are built in. Not health-specific — listed because it's the one tool almost every other entry in this library assumes you already have.
Checked Oct 2026
(opens in a new tab)
Tool
Licence not confirmed
Lyssna (formerly UsabilityHub)
lyssna.com
Rebranded from UsabilityHub in 2024. Runs five-second tests, first-click tests and preference tests — good for checking whether a clinical dashboard's most important number is actually the first thing people see.
Checked Oct 2026
(opens in a new tab)
Tool
Licence not confirmed
Maze
maze.co
Unmoderated usability and prototype testing. Useful for running a quick comprehension test on a patient-facing flow before it ships, without booking a full research session.
Checked Oct 2026
(opens in a new tab)
Tool
Licence not confirmed
WAVE web accessibility evaluation tool
wave.webaim.org
A tool from WebAIM that flags accessibility errors on a web page; the online version is free. A fast first pass on a prototype or a patient portal page, not a substitute for a full accessibility audit.
Accessibility Checked Oct 2026
(opens in a new tab)
Tool
Free to share
WCAG 2.2 quick reference
w3.org
The checklist I actually keep open. Filter to Level AA and treat it as a definition of done.
Accessibility Checked Oct 2026
(opens in a new tab)
Tool
Licence not confirmed
WebAIM Contrast Checker
webaim.org
A free tool that checks the contrast ratio of a foreground and background colour against the WCAG thresholds. Quick to use for status colours, alerts and chart labels on a health screen.
Accessibility Checked Oct 2026
(opens in a new tab)