npm · Maven · RubyGems
react/react-native
A framework for building native applications using React
MITAug 4, 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.
103 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
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-ClauseAug 15, 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-ClauseAug 4, 2026 · metrics 2.10.0
npm
zloirock/core-js
Standard Library
MITAug 4, 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
MITJul 18, 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/
MITAug 13, 2026 · metrics 2.10.0
npm
webrtcHacks/adapter
Shim to insulate apps from spec changes and prefix differences. Latest adapter.js release:
BSD-3-ClauseAug 13, 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
npm
swisnl/jQuery-contextMenu
jQuery contextMenu plugin & polyfill
MITAug 30, 2026 · metrics 2.10.0
npm
Teages/nuxt-legacy
A Nuxt module for supporting legacy browsers.
MITJul 25, 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.
MITJul 23, 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
charpeni/react-native-url-polyfill
🔗A lightweight and trustworthy URL polyfill for React Native.
MITAug 27, 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.
MITAug 23, 2026 · metrics 2.10.0
Packagist
PHPCompatibility/PHPCompatibilitySymfony
PHPCompatibility rulesets which can be included in projects using the Symfony polyfill libraries
LGPL-3.0Jul 21, 2026 · metrics 2.10.0
NuGet
meziantou/Meziantou.Polyfill
No repository description published.
MITJul 25, 2026 · metrics 2.10.0
Packagist
PHPCompatibility/PHPCompatibilityParagonie
PHPCompatibility rulesets which can be included in projects using the Paragonie polyfill libraries
LGPL-3.0Jul 21, 2026 · metrics 2.10.0
npm
es-shims/Function.prototype.name
ES6 spec-compliant Function.prototype.name sham.
MITAug 4, 2026 · metrics 2.10.0
npm
es-shims/String.prototype.trim
ES5 spec-compliant shim for String.prototype.trim
MITAug 4, 2026 · metrics 2.10.0
npm
Sec-ant/readable-stream
A tiny, zero-dependency yet spec-compliant asynchronous iterator polyfill/ponyfill for ReadableStreams.
MITAug 29, 2026 · metrics 2.10.0
npm
hildjj/node-inspect-extracted
Node's util.inspect, extracted for use on the Web
Custom licenseJul 30, 2026 · metrics 2.10.0
npm
js-temporal/temporal-polyfill
Polyfill for Temporal (under construction)
ISCAug 17, 2026 · metrics 2.10.0
npm
R1ck404/Nodepod
Node.js for inside the browser. An open-source, lightweight WebContainer alternative.
Custom licenseJul 23, 2026 · metrics 2.10.0
Packagist
WyriHaximus/php-msgpack
ext-msgpack polyfill using rybakit/msgpack
MITSep 5, 2026 · metrics 2.10.0
npm
es-shims/String.prototype.matchAll
Spec-compliant polyfill for String.prototype.matchAll, in ES2020
MITAug 22, 2026 · metrics 2.10.0