Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Autoprefixer
Parses your CSS and automatically adds vendor prefixes using real-world browser usage data from Can I Use.
Puppeteer
Node.js library for automating Chrome and Firefox over the DevTools Protocol and WebDriver BiDi
postcss-import
A PostCSS plugin that inlines @import rules, merging split CSS files into one stylesheet before other plugins run.
cssnano
A modular CSS minifier built on the PostCSS ecosystem, composing dozens of swappable optimization plugins into safe, lite, and advanced presets.
postcss-preset-env
Converts tomorrow's CSS syntax into code today's browsers understand by auto-selecting PostCSS polyfill plugins from your browserslist targets.
p-queue
Promise queue with concurrency control, interval-based rate limiting, and priority scheduling for async tasks.
postcss-simple-vars
A PostCSS plugin that brings Sass-like $variables to CSS values, selectors, at-rules, and comments.
conf
Simple, schema-validated config file persistence for Node.js apps and CLI tools
postcss-flexbugs-fixes
A PostCSS plugin that automatically fixes common cross-browser Flexbox layout bugs.
json-2-csv
Converts arrays of JSON documents to RFC 4180 compliant CSV and back, with native support for nested sub-documents.
update-notifier
Notify CLI users of new npm package versions without slowing down startup
postcss-prefixwrap
A PostCSS plugin that wraps every CSS rule in a container selector to scope styles safely.
PurgeCSS
Remove unused CSS selectors to dramatically shrink your stylesheet size.
is
TypeScript-first runtime type checking with type guards, assertions, and generic-aware inference for over 100 JavaScript and TypeScript value types.
postcss-extend-rule
A PostCSS plugin that brings Sass-style @extend at-rules and % placeholder selectors to plain CSS.