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178 tools

event-source-polyfill

A polyfill for http://www.w3.org/TR/eventsource/

Developer Tools
ssepolyfillbrowser
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msw

Seamless REST/GraphQL API mocking library for browser and Node.js.

Testing Tools
testingmockservice-worker
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selenium-standalone

installs a `selenium-standalone` command line to install and start a standalone selenium server

Testing Tools
seleniumtestingbrowser
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browserslist

Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-

DevOps & Infrastructure
browsercompatibilitytargets
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isomorphic-unfetch

Switches between unfetch & node-fetch for client & server.

Developer Tools
fetchpolyfilluniversal
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ky

Tiny and elegant HTTP client based on the Fetch API

Developer Tools
fetchhttpclient
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saucie

A library which allows you to integrate results of your frontend JavaScript tests into a Sauce jobs

Testing Tools
cifrontendtesting
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backbone

Give your JS App some Backbone with Models, Views, Collections, and Events.

Frontend Frameworks
mvcjavascriptmodels
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hi-base32

A simple Base32 encode / decode function for JavaScript supports UTF-8 encoding.

Developer Tools
base32encodingjavascript
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js-sha512

This is a simple SHA-512, SHA-384, SHA-512/224, SHA-512/256 hash functions for JavaScript supports U

Security Tools
hashingsha512javascript
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highlightjs-line-numbers.js

Highlight.js line numbers plugin.

Frontend Frameworks
syntax-highlightingline-numbershighlight.js
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pdfjs-dist

Generic build of Mozilla's PDF.js library.

Frontend Frameworks
pdfrenderingbrowser
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html2canvas

Screenshots with JavaScript

Frontend Frameworks
screenshotcanvasdom
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@web/dev-server

Dev server for web applications

Developer Tools
dev-serveresmhmr
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headroom.js

Give your page some headroom. Hide your header until you need it

Frontend Frameworks
headerscrolljavascript
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@uupaa/dynamic-import-polyfill

importModule() is a polyfill of import().

Developer Tools
dynamic-importpolyfillesm
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fast-text-encoding

Fast polyfill for TextEncoder and TextDecoder, only supports utf-8

Developer Tools
text-encoderutf8polyfill
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intersection-observer

A polyfill for IntersectionObserver

Frontend Frameworks
browserpolyfillintersection
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caniuse-lite

A smaller version of caniuse-db, with only the essentials!

Developer Tools
browsercompatibilitycaniuse
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webcomponents.js

webcomponents.js

Frontend Frameworks
web-componentspolyfillshadow-dom
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resize-observer-polyfill

A polyfill for the Resize Observer API

Frontend Frameworks
browserpolyfillresize
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eslint-plugin-compat

Lint browser compatibility of API used

Testing Tools
eslintbrowsercompatibility
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native-promise-only

Native Promise Only: A polyfill for native ES6 Promises **only**, nothing else.

Developer Tools
promisepolyfilljavascript
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ace-builds

Ace (Ajax.org Cloud9 Editor)

Frontend Frameworks
editoracebrowser
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