avycenna/a11y.js

a11y.js is a lightweight utility in a market dominated by massive, well-funded incumbents and platform-level tools. With only 5 stars and 3 forks over nearly 1.5 years, the project has failed to establish any community traction or developer mindshare. The core problem it solves—accessibility auditing—is already effectively handled by industry standards like Deque's axe-core (which powers Lighthouse and Chrome DevTools) and Microsoft's Accessibility Insights. The defensibility is minimal because the project lacks a unique ruleset, a proprietary engine, or an integration advantage that isn't already provided by established libraries. In the web accessibility space, 'authority' and 'compliance assurance' are the primary moats; a small, inactive open-source project lacks the legal and technical weight to compete with Deque or browser vendors. Platform domination risk is high because browser engines (Chromium) increasingly bake these audits directly into the developer workflow, rendering third-party JS-based auditors redundant unless they offer specific CI/CD pipeline benefits that this project does not appear to possess.