Storybook Accessibility Tests vs zeroheight

Storybook Accessibility Tests has no write-up on Specifiction yet; its figures are above.

zeroheight is a web platform for documenting design systems, managing tokens, and sharing guidance with teams and AI workflows. Teams can create styleguides for components, usage guidance, and standards. It supports designs from Figma, Sketch, and Adobe XD, Storybook embeds, snippets in more than 30 languages, and code blocks for frameworks such as React, Vue, and Angular. The token manager exports tokens for code and can automate pull requests when Figma changes are detected. An MCP server gives AI tools access to design system guidance; Standard Search is listed at 500 calls per month on Free and Starter, while Enterprise includes Fast Search. Listed integrations span design, code, AI, analytics, and collaboration tools. Styleguides may be public or private; Starter adds password protection and Enterprise offers SSO protection. The maker says communication uses SSL/HTTPS encryption, servers are backed up hourly, and the service runs on AWS. Free has one editor, one styleguide, and one token set. Starter is $49/user/mo (annual) after a 14-day trial.