npm · Maven · RubyGems
react/react-native
A framework for building native applications using React
MITSep 16, 2026 · metrics 2.10.0
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Catalogue tag
#polyfill
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
140 records
crates.io
agentclientprotocol/rust-sdk
Rust SDK for ACP clients and agents.
Apache-2.0Sep 5, 2026 · metrics 2.10.0
npm
extension-js/extension.js
The cross-browser extension framework.
MITAug 28, 2026 · metrics 2.10.0
npm
nevware21/ts-utils
Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code readability.
MITAug 27, 2026 · metrics 2.10.0
npm
oddbird/css-anchor-positioning
Polyfill for CSS Anchor Positioning
BSD-3-ClauseSep 16, 2026 · metrics 2.10.0
npm
zloirock/core-js
Standard Library
MITSep 16, 2026 · metrics 2.10.0
npm
oddbird/popover-polyfill
Polyfills the HTML popover attribute and showPopover/hidePopover/togglePopover methods onto HTMLElement, as well as the popovertarget and popovertargetaction attributes on <button> elements.
BSD-3-ClauseSep 18, 2026 · metrics 2.10.0
npm · crates.io · Maven
moq-dev/web-transport
Rust WebTransport library for native and WASM
Apache-2.0Sep 5, 2026 · metrics 2.10.0
Packagist
symfony/polyfill
PHP polyfills
MITSep 10, 2026 · metrics 2.10.0
npm
webrtcHacks/adapter
Shim to insulate apps from spec changes and prefix differences. Latest adapter.js release:
BSD-3-ClauseSep 17, 2026 · metrics 2.10.0
npm
pubkey/broadcast-channel
:satellite: BroadcastChannel to send data between different browser-tabs or nodejs-processes :satellite: + LeaderElection over the channels https://pubkey.github.io/broadcast-channel/
MITSep 17, 2026 · metrics 2.10.0
npm
Sec-ant/barcode-detector
A Barcode Detection API ponyfill/polyfill that uses ZXing-C++ WebAssembly under the hood.
MITAug 27, 2026 · metrics 2.10.0
NuGet
dailydevops/arguments
Provides a set of backward compatible `throw` helper methods, which have been added in previous .NET versions.
MITSep 13, 2026 · metrics 2.10.0
npm
Teages/nuxt-legacy
A Nuxt module for supporting legacy browsers.
MITSep 13, 2026 · metrics 2.10.0
npm
facebook/immersive-web-sdk
WebXR made simple. Full-featured framework with interactions, locomotion, and spatial UI. Powered by Three.js.
MITSep 15, 2026 · metrics 2.10.0
npm
swisnl/jQuery-contextMenu
jQuery contextMenu plugin & polyfill
MITOct 21, 2026 · metrics 2.10.0
npm
MattiasBuelens/web-streams-polyfill
Web Streams, based on the WHATWG spec reference implementation
MITSep 15, 2026 · metrics 2.10.0
Packagist
Yoast/PHPUnit-Polyfills
Set of polyfills for changed PHPUnit functionality to allow for creating PHPUnit cross-version compatible tests
BSD-3-ClauseAug 27, 2026 · metrics 2.10.0
npm
es-shims/array-includes
Array.prototype.includes spec-compliant polyfill
MITSep 16, 2026 · metrics 2.10.0
npm
microsoft/polyfills
A collection of polyfills for new web platform features.
MITSep 12, 2026 · metrics 2.10.0
npm
nowaalex/af-utils
Simple open-source tools that just work (usually fast)
MITOct 3, 2026 · metrics 2.10.0
npm
charpeni/react-native-url-polyfill
🔗A lightweight and trustworthy URL polyfill for React Native.
MITAug 27, 2026 · metrics 2.10.0
npm
nilzona/path2d-polyfill
Polyfills Path2D api for canvas rendering
No licenseSep 19, 2026 · metrics 2.10.0
npm
cometkim/unicode-segmenter
A lightweight implementation of the Unicode Text Segmentation (UAX #29)
MITSep 4, 2026 · metrics 2.10.0
npm
es-shims/iterator-helpers
An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.
MITOct 20, 2026 · metrics 2.10.0
npm
js-temporal/temporal-polyfill
Polyfill for Temporal (under construction)
ISCOct 19, 2026 · metrics 2.10.0
NuGet
meziantou/Meziantou.Polyfill
Source Generator that adds polyfill methods and types so projects targeting older TFMs can compile with source-compatible APIs.
MITSep 13, 2026 · metrics 2.10.0
Packagist
PHPCompatibility/PHPCompatibilitySymfony
PHPCompatibility rulesets which can be included in projects using the Symfony polyfill libraries
LGPL-3.0Sep 12, 2026 · metrics 2.10.0
npm
imranbarbhuiya/esbuild-plugins-node-modules-polyfill
An esbuild plugin to polyfill nodejs builtin modules for the browser.
MITSep 15, 2026 · metrics 2.10.0
Packagist
PHPCompatibility/PHPCompatibilityParagonie
PHPCompatibility rulesets which can be included in projects using the Paragonie polyfill libraries
LGPL-3.0Sep 12, 2026 · metrics 2.10.0