Alternatives and similar repositories for polyfills

Users that are interested in polyfills are comparing it to the libraries listed below

• mikewest / cookie-incrementalism
  Incrementally better cookies.
  ☆22Updated 3 years ago
• beverloo / periodic-background-sync
  Periodic Background Sync Explainer
  ☆23Updated 5 years ago
• w3c / battery
  Battery Status API
  ☆24Updated 10 months ago
• littledan / js-shared-interfaces
  Documentation of namespaces for shared JavaScript interfaces
  ☆49Updated 5 years ago
• ebidel / declarative-web-components
  Author web components, declaratively
  ☆35Updated 8 years ago
• rakina / searchable-invisible-dom
  ☆58Updated 6 years ago
• WICG / entries-api
  Spec defining browser support for file/directory upload by drag-and-drop
  ☆42Updated 7 months ago
• hegemonic / catharsis
  A JavaScript parser for Google Closure Compiler and JSDoc type expressions.
  ☆55Updated last week
• tc39 / proposal-intl-displaynames
  Get localized display names for languages, scripts, regions and others. https://tc39.github.io/proposal-intl-displaynames/
  ☆45Updated 4 years ago
• TakayoshiKochi / script-type-module
  A <script type=module> polyfill
  ☆29Updated 8 years ago
• WICG / css-parser-api
  This is the repo where the CSS Houdini parser API will be worked on
  ☆71Updated 4 years ago
• FredKSchott / analyze-npm
  Analyze npm, hunt for es module packages
  ☆35Updated 6 years ago
• webscreens / screen-enumeration
  Screen enumeration API explainer
  ☆24Updated 5 years ago
• tc39 / process-document
  Document describing the process for making changes to ECMA-262
  ☆30Updated 7 months ago
• mikewest / tc39-proposal-literals
  Literals could be different than non-literals.
  ☆32Updated 7 years ago
• domenic / get-originals
  A web platform API that allows access to the "original" versions of the global built-in objects' properties and methods
  ☆28Updated 6 years ago
• sindresorhus / validate-element-name
  Validate the name of a custom element
  ☆43Updated last year
• WebReflection / basicHTML
  A NodeJS based, standard oriented, HTML implementation.
  ☆125Updated 4 years ago
• jasnell / proposal-url
  Proposal to add WHATWG URL to ECMAScript
  ☆33Updated 8 years ago
• slightlyoff / history_api
  Some ideas for to improve history state on the web
  ☆78Updated 4 years ago
• w3c / event-timing
  A proposal for an Event Timing specification.
  ☆47Updated 3 months ago
• mozilla / pretty-fast
  Pretty Fast is a source-map-generating JavaScript pretty printer, used by the Firefox Developer Tools debugger.
  ☆54Updated 2 years ago
• tc39 / proposal-symbol-thenable
  ☆19Updated 7 years ago
• tc39 / proposal-intl-locale
  `Intl.Locale` specification [draft]
  ☆33Updated 3 years ago
• matthewp / fritz
  Take your UI off the main thread
  ☆40Updated 2 years ago
• GoogleChromeLabs / samples-module-loading-comparison
  Some tests for comparing performance between bundling and unbundling JS
  ☆61Updated 4 years ago
• domenic / wpt-runner
  Runs web platform tests in Node.js using jsdom
  ☆23Updated 9 months ago
• WICG / get-installed-related-apps
  proposal to add an API to the web for determining if related apps are installed
  ☆42Updated last year
• tc39 / ecmarkdown
  A shorthand language for writing ECMAScript-style algorithms, inspired by Markdown
  ☆83Updated 2 years ago
• justinfagnani / queue-scheduler
  A scheduling API for JavaScript
  ☆64Updated 6 years ago