Alternatives and similar repositories for polyfills

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

• ebidel / declarative-web-components
  Author web components, declaratively
  ☆35Updated 8 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
• WebReflection / basicHTML
  A NodeJS based, standard oriented, HTML implementation.
  ☆125Updated 4 years ago
• tc39 / process-document
  Document describing the process for making changes to ECMA-262
  ☆30Updated 7 months ago
• GoogleChromeLabs / shadow-selection-polyfill
  Polyfill for shadowRoot.getSelection() in Safari
  ☆30Updated 4 years ago
• AshleyScirra / import-as-and-html-modules
  importAs() and HTML modules proof-of-concept
  ☆48Updated 7 years ago
• PolymerLabs / ristretto
  An extensible test runner ☕️
  ☆30Updated 10 months ago
• 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
• rakina / searchable-invisible-dom
  ☆58Updated 6 years ago
• WICG / css-parser-api
  This is the repo where the CSS Houdini parser API will be worked on
  ☆71Updated 4 years ago
• mikewest / cookie-incrementalism
  Incrementally better cookies.
  ☆22Updated 3 years ago
• tc39 / proposal-intl-locale
  `Intl.Locale` specification [draft]
  ☆33Updated 3 years ago
• tkent-google / std-switch
  Explainer and demo for <std-switch>
  ☆77Updated 5 years ago
• w3c / battery
  Battery Status API
  ☆24Updated 10 months ago
• tc39 / proposal-symbol-thenable
  ☆19Updated 7 years ago
• w3c / event-timing
  A proposal for an Event Timing specification.
  ☆46Updated 2 months ago
• domenic / template-parts
  Brainstorming a <template> parts proposal
  ☆20Updated 7 years ago
• WICG / entries-api
  Spec defining browser support for file/directory upload by drag-and-drop
  ☆42Updated 6 months ago
• jasnell / proposal-url
  Proposal to add WHATWG URL to ECMAScript
  ☆33Updated 8 years ago
• tc39 / proposal-array-is-template-object
  TC39 proposal to identify tagged template string array objects
  ☆48Updated 10 months ago
• slightlyoff / history_api
  Some ideas for to improve history state on the web
  ☆78Updated 4 years ago
• hegemonic / catharsis
  A JavaScript parser for Google Closure Compiler and JSDoc type expressions.
  ☆55Updated last week
• beverloo / periodic-background-sync
  Periodic Background Sync Explainer
  ☆23Updated 5 years ago
• geut / jsdast
  JSDoc Abstract Syntax Tree
  ☆21Updated 4 years ago
• justinfagnani / async-broadcaster
  Observable alternative using async iterators
  ☆17Updated 4 years 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
• jkarlin / pause-document
  The PauseDocument API
  ☆37Updated 7 years ago
• justinfagnani / queue-scheduler
  A scheduling API for JavaScript
  ☆64Updated 6 years ago
• shapesecurity / shift-regexp-acceptor-js
  a language acceptor for the JavaScript Pattern (regular expression internals) grammar
  ☆16Updated 3 years ago