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web-accessibility-checker

Web Accessibility checker which evaluate some defined WCAG rules instantly during coding or on command.
web-weber
1,545

csstree-validator

Validate CSS according to W3C specs and browser implementations
csstree
2,397

metalanguage

Syntax highlighting and transformation tools for standard syntactic metalanguages: BNF, WSN, EBNF, ABNF, W3C EBNF
psmitt
356