Node.js  

nodejs.org

Bootstrap  

getbootstrap.com

Java  

React    

react.dev

.NET Framework      

dotnet.microsoft.com

Django  

djangoproject.com

Meta Open Source        

opensource.fb.com

Flutter    

flutter.dev

PHP  

php.net

Sass  

sass-lang.com

Electron  

electronjs.org

Elixir  

elixir-lang.org

Leaflet  

leafletjs.com

Play Framework  

playframework.com

Elm  

elm-lang.org

Prisma  

prisma.io

Stencil  

stenciljs.com

Kite  

kite.com

Chrome Workbox  

developer.chrome.com

Mongoose ODM  

mongoosejs.com

Backbone.js  

backbonejs.org

Bootswatch  

bootswatch.com

Ninja Web Framework  

ninjaframework.org

LuaRocks  

luarocks.org

TurfJS  

turfjs.org

Fela  

fela.js.org

Stylus  

stylus-lang.com

Absio

absio.com

Ace Framework

github.com

Acrylamid

posativ.org

Act Framework

act-framework.github.io

Adobe PDF Library

adobe.com

Aerobatic

aerobatic.com

Airbnb Engineering

airbnb.io

Almace Scaffolding

sparanoid.com

Alpine

alpinejs.dev

Animate CSS

animate.style

Animejs

animejs.com

Ant Design

ant.design

Antwar

antwar.js.org

Apache Sling

sling.apache.org

Apache Tapestry

tapestry.apache.org

Apache Tomcat

tomcat.apache.org

Apex Serverless

apex.run

Apigility

apigility.org

Apollo Client (GraphQL)

apollographql.com

Apollo Server

apollographql.com

Appetize.io

appetize.io

AppMakr

appmakr.com

Argon Design System

creative-tim.com

AST Explorer

astexplorer.net

audio.js

kolber.github.io

Aura Component Framework

github.com

Aurelia

aurelia.io

Auth0

auth0.com

Auth.js

authjs.dev

Autocode

autocode.com

Autoprefixer  

autoprefixer.github.io

AWS Amplify

aws.amazon.com

AWS Lambda

aws.amazon.com

Axios

axios-http.com

Axis Framwork

axis.netlify.com

AxonIQ

axoniq.io

Anywhere Software (B4X)

Babel

babeljs.io

Babylon.js

babylonjs.com

Bare Metal JS

twitter.com

Belle

nikgraf.github.io

Belle

nikgraf.github.io

bitcoinj

bitcoinj.github.io

Blazor

dotnet.microsoft.com

Bloatless

bloatless.org

Blogo

staticgen.com

Bloomer

bloomer.js.org

bluebird

bluebirdjs.com

Blueprint

blueprintjs.com

Bluesky  

bsky.app

Bokeh

bokeh.org

Bookdown 1.x

bookdown.io

Bouncejs

bouncejs.com

Browserify

browserify.org

Brunch

brunch.io

Bublé

buble.surge.sh

BullMQ

bullmq.io

Bulma

bulma.io

Cabin

cabinjs.com

canvasJS

canvasjs.com

Carbyn    

carbyn.co

CasperJS defunct

github.com

Cerebral

cerebraljs.com

cf-ui

cloudflare.github.io

Chakra UI    

chakra-ui.com

Chosen

harvesthq.github.io

Cirq

github.com

Cleverstack

cleverstack.io

Clipboardjs

clipboardjs.com

Clojure

clojure.org

Cloud 66

cloud66.com

CoffeeScript

coffeescript.org

Coleslaw

github.com

Compass Framework

compass-style.org

Consul

consul.io

Contenta

contentacms.org

Cookiebot

cookiebot.com

cooking

elemefe.github.io

CoreUI

coreui.io

Create React App

create-react-app.dev

Crowdin

crowdin.com

Cryogen

cryogenweb.org

CUBA.platform

cuba-platform.com

cujoJS

cujojs.com

Cuttlebelle

cuttlebelle.com

Cycle.js

cycle.js.org

D3

d3js.org

Serum

dalgona.github.io

Dart

dart.dev

Dash by Plotly

plot.ly

dash.js

reference.dashif.org

DataPipeline

northconcepts.com

date-fns

date-fns.org

Delicious Brains

deliciousbrains.com

Deno

deno.land

diffHTML

tbranyen.github.io

Django Distill

github.com

DocPad

docpad.org

docz

docz.site

dompdf

dompdf.github.io

doT

olado.github.io

.NET MAUI

dotnet.microsoft.com

Downshift

downshift.netlify.com

Draft.js

draftjs.org

Dropwizard

dropwizard.io

DustJS defunct

DvaJS

dvajs.com

Easemate  

easemate.io

Eclipse Jetty

eclipse.org

ECMAScript 6

es6-features.org

The Edge Runtime

edge-runtime.vercel.sh

Editormd

pandao.github.io

Elastica

elastica.io

Elegant Themes

elegantthemes.com

Elemental UI

elemental-ui.com

Elephant.io

wisembly.github.io

Eleventy

11ty.io

elm-ui

package.elm-lang.org

Ember

emberjs.com

Ember Ghost

github.com

Emmet

emmet.io

Emotion

emotion.sh

Emscripten

emscripten.org

ESLint  

eslint.org

Eventuate

eventuate.io

Evergreen

evergreen.segment.com

Expo

expo.dev

Express

expressjs.com

Extend   defunct

goextend.io

Fable

fable.io

Facebook Code

code.fb.com

Fanout

fanout.io

FastAPI

fastapi.tiangolo.com

Fastify  

fastify.io

fastlane

fastlane.tools

Feathers

feathersjs.com

Fingerprint

fingerprint.com

Flask

flask.palletsprojects.com

Flow Type

flow.org

Flowjs

flow.org

Flow  

flow.org

Fluent AI

developer.microsoft.com

FluentValidation

docs.fluentvalidation.net

Fluid Framework

fluidframework.com

Formik

formik.org

Foundation CSS    

get.foundation

FPDF

fpdf.org

Framer Motion

framer.com

Free Formatter

freeformatter.com

Frint

frint.js.org

Frog

github.com

Frozen-Flask

pythonhosted.org

Gatsby  

gatsbyjs.com

GloriaJS

gloriajs.com

Go Static

github.com

GoDiagram

godiagram.com

GoJS

gojs.net

Google Guice

github.com

Google Open Source

opensource.google.com

Gor

github.com

Graphene Python

graphene-python.org

Gridiron

gridiron.js.org

Gridsome

gridsome.org

Grommet

v2.grommet.io

gRPC

grpc.io

Grunt Flats

github.com

Grus

github.com

GSoft*

gsoft.com

Gulp Makdoc

github.com

Gulp Site

github.com

Gunicorn

gunicorn.org

Hakyll

jaspervdj.be

Halwa

github.com

Handlebars

handlebarsjs.com

Hapi

hapi.dev

Hapify

hapify.io

Hardhat

hardhat.org

Harp

harpjs.com

HasClunk

github.com

Hastie

github.com

Helidon

helidon.io

Helmet

helmetjs.github.io

Hepek

sake92.github.io

Hibernate

hibernate.org

Highlightjs

highlightjs.org

Hilla

hilla.dev

hlsjs

github.com

Homebrew

brew.sh

Hovercss

ianlunn.github.io

howlerjs

howlerjs.com

html2canvas

html2canvas.hertzen.com

HTML5 Boilerplate

html5boilerplate.com

HTML5 UP!

html5up.net

HubPress

hubpress.github.io

Hugo

gohugo.io

Hyde

hyde.github.io

IBM API Connect

community.ibm.com

Igapyon Diary System

igapyon.github.io

Imba

imba.io

InstaFeed

instafeedjs.com

Ionic Framework  

ionicframework.com

IPFS

ipfs.tech

IronBeard

github.com

Jasonette

jasonette.com

Jekyll

jekyllrb.com

Jersey

jersey.github.io

Jest  

jestjs.io

JHipster

jhipster.tech

Jinja

jinja.pocoo.org

jPlayer

jplayer.org

JS IPFS

js.ipfs.tech

JSSG

github.com

JSX SDK

jsx.github.io

jus

jus.js.org

JW Player

jwplayer.com

KendoReact

telerik.com

KeystoneJS

keystonejs.com

Kivy

kivy.org

Knex.js

knexjs.org

Koa

koajs.com

Koin

insert-koin.io

krakenjs

krakenjs.com

Lambda Pad

Laravel Forge

forge.laravel.com

Laravel Snappy

github.com

Lektor

getlektor.com

Lerna

lernajs.io

LESS

lesscss.org

libp2p

libp2p.io

Light Java

networknt.com

Lighthouse Web

developers.google.com

Liquid Markup

shopify.github.io

Lit

lit.dev

Litepub

github.com

Litho  

fblitho.com

Lo

lodash.com

Logstash

elastic.co

LoopBack

loopback.io

Lore

lorejs.org

Lottie

airbnb.io

LottieFiles

lottiefiles.com

Lucene

lucene.apache.org

Lucide

lucide.dev

Macyjs

macyjs.com

Magic Animations

minimamente.com

Magnific Popup

dimsemenov.com

Makesite

github.com

Markdown

daringfireball.net

Marko

markojs.com

Material Design

material.io

Material Design Lite

getmdl.io

Material Kit React

creative-tim.com

Material UI (MUI)

mui.com

Materialize

materializecss.com

mdBook

github.com

MDX  

mdxjs.com

MEAN.io

mean.io

MEANio

mean.io

MediaElement.js

mediaelementjs.com

MESCIUS

mescius.com

Metadata.js

oknosoft.ru

Metal.js

metaljs.com

Meteor

meteor.com

Metro Bundler

facebook.github.io

Micronaut

micronaut.io

Middleman

middlemanapp.com

Milligram

milligram.io

Minerl

github.com

Mini Site Generator

ijmccallum.github.io

Mint UI

mint-ui.github.io

Mithril.js

mithril.js.org

MobX

mobx.js.org

Mocha

mochajs.org

Moment.js

momentjs.com

Monaca

monaca.io

Monkeyman

github.com

MUI

muicss.com

MuPDF

mupdf.com

Nanogen

doug2k1.github.io

NativeScript

nativescript.org

Nautilus

nautilus.js.org

NestJS  

nestjs.com

Netlify  

netlify.com

Netty

netty.io

NextAuth.js

next-auth.js.org

Next.js  

nextjs.org

Nextra

nextra.site

Nikola Generator  

getnikola.com

Node Express

expressjs.com

Nunjucks

mozilla.github.io

Nuxt

nuxtjs.org

Obelisk Framework

github.com

Observable

observablehq.com

Octopress

octopress.org

OG Image Playground (Satori)

og-playground.vercel.app

ONEsite

onesite.com

Online Javascript Beautifier

beautifier.io

Onsen UI

onsen.io

Openbase

openbase.com

OpenGraph

opengraph.dev

OpenPDF

github.com

Owl Carousel

landmarkmlp.com

p5.js    

p5js.org

Pact.js

pact.io

Pagegen

pagegen.phnd.net

Papathemes

papathemes.com

Parsedown

parsedown.org

Passport

passportjs.org

Pattern Lab

patternlab.io

PDFBox

pdfbox.apache.org

PDFjs

mozilla.github.io

PDFlib

pdflib.com

Pelican Development

blog.getpelican.com

Perun

perun.io

Petite Vue

github.com

PFt

dacav.roundhousecode.com

Phenomic

phenomic.io

PHP QR Code

phpqrcode.sourceforge.net

Plates

platesphp.com

Plotly

plotly.com

Process Management Module (PM2)

pm2.io

PM2 is a daemon process manager for Node.js that will help you manage and keep your application online.

Poet Framework

jsantell.github.io

Polo Framework

github.com

Polyfill

polyfill.io

Polymer Project

polymer-project.org

PostCSS  

postcss.org

Preact

preactjs.com

Primer CSS

primer-css.now.sh

Primer Design System

primer.style

PrimeReact

primefaces.org

Prince

princexml.com

Protocol Buffers

protobuf.dev

Publii

getpublii.com

pug

pugjs.org

Punch Framework

laktek.github.io

Pure CSS

purecss.io

PWA Builder

pwabuilder.com

PyBlosxom defunct

pyblosxom.github.io

PyKwiki

pykwiki.nullism.com

PyPi

pypi.org

PyStatic

github.com

Qooxdoo

qrcode.js

davidshimjs.github.io

Quasar    

quasar.dev

Radix

radix-ui.com

Railway

railway.app

Ratchet PHP

socketo.me

Rax

Raycast  

raycast.com

Reach UI

reach.tech

React Admin

marmelab.com

React Bootstrap

react-bootstrap.github.io

React Cosmos

reactcosmos.org

React Desktop

reactdesktop.js.org

React Essence

github.com

React Foundation

react.foundation

React-Ionic

reactionic.github.io

react-md

react-md.dev

React Native  

reactnative.dev

React Navigation  

reactnavigation.org

React.parts defunct

React Redux

react-redux.js.org

React Router

reacttraining.com

React State

rsuitejs.com

React Static

react-static.js.org

React Styleguidist

react-styleguidist.js.org

React Suite

rsuitejs.com

React Toolbox

react-toolbox.io

React Virtualized

bvaughn.github.io

Reactive Streams

reactive-streams.org

ReactiveX

reactivex.io

Reactor

projectreactor.io

Reactotron

infinite.red

ReactPHP

reactphp.org

Reactstrap

reactstrap.github.io

Readypipe

app.readypipe.io

Reakit

reakit.io

Rebass

rebassjs.org

Rebass*

rebassjs.org

Recharts

recharts.org

Redux

redux.js.org

Redux-Saga

redux-saga.js.org

Redux Thunk

github.com

Redux Toolkit

redux-toolkit.js.org

Relay

relay.dev

Remix

remix.run

replit

replit.com

RESTEasy

resteasy.github.io

RESTier

odata.github.io

Restify

restify.com

Restlet

restlet.com

Revel

revel.github.io

Rinco

github.com

Riot

Rive  

rive.app

Rocket

rocketapp.me

Rollup

rollupjs.org

Roots Theme

roots.netlify.com

Rosid

rosid.electerious.com

Rough.js

roughjs.com

RSpec

rspec.info

s2gen

appliedscala.com

Sammy.js

sammyjs.org

Sangria

sangria-graphql.org

Sappers

sapper.svelte.technology

ScaleOut Software

scaleoutsoftware.com

Scriptcase

scriptcase.net

Sculpin

sculpin.io

Selectize

selectize.dev

Semantic UI

semantic-ui.com

Semantic UI React

react.semantic-ui.com

Sencha ExtReact

sencha.com

Serverless

serverless.com

Shards React

designrevision.com

SharpPDF

sharppdf.sourceforge.net

Shoelace

shoelace.style

Shuffle.js

vestride.github.io

SignalR

dotnet.microsoft.com

Simple Website

github.com

SimpleMDE

simplemde.com

Singularity

getsingularity.com

Sitio

github.com

Skeleton

getskeleton.com

Smarty

smarty.net

Socket.IO  

socket.io

SocketCluster

socketcluster.io

SolidJS  

solidjs.com

Spectre CSS

picturepan2.github.io

Spek Framework

spekframework.org

Spelt

github.com

Sphinx Documentation

sphinx-doc.org

Spress

spress.yosymfony.com

Spring Boot  

spring.io

Spry

github.com

Standard Library

stdlib.com

Stati

stati.jfoucher.com

StealJS

stealjs.com

Stitcher Core

github.com

Storybook

storybook.js.org

Strapi  

strapi.io

StudioPress

studiopress.com

Styled Components

styled-components.com

Surge

surge.sh

Susy

oddbird.net

Svelte  

svelte.dev

SvelteKit

kit.svelte.dev

Swagger

swagger.io

Symfony

symfony.com

Tacit

github.com

TacoScript

tacoscript.github.io

Tailwind CSS

tailwindcss.com

Tailwind UI

tailwindui.com

Tapestry Cloud

tapestry.cloud

Tasit

tasit.io

TCPDF

tcpdf.org

Telehash

telehash.org

Tessellate

zalando-incubator.github.io

TestRail

testrail.com

Three.js

threejs.org

Liquid

shopify.github.io

Tocco

tocco.ch

Tokio

tokio.rs

Traceur

github.com

Tremor

tremor.so

Twig

twig.symfony.com

Twing

nightlycommit.github.io

Typora  

typora.io

Ui      

ui.dev

UI5 Web Components

sap.github.io

UIkit

getuikit.com

Underscore

underscorejs.org

Undertow

undertow.io

unified

unifiedjs.com

Unirest

unirest.io

unite cms

unitecms.io

UNPKG

unpkg.com

Uppy

uppy.io

Upvest

upvest.co

Use Shopping Cart

useshoppingcart.com

useHooks

usehooks.com

UXCam

uxcam.com

V8

v8.dev

Vash

npm.io

Velocity.js

velocityjs.org

Vendure

vendure.io

Versioned

versioned.io

Victory Charts

formidable.com

Video.js

videojs.com

VideoJS HTTP Streaming

videojs.github.io

Vite  

vitejs.dev

Vqua

vqua.org

Vudash

vudash.com

Vue.js

vuejs.org

VuePress

vuepress.vuejs.org

Wainwright

github.com

WarriorJS

warriorjs.com

Web Components

Web Starter Kit defunct

developers.google.com

Web3 Labs

web3labs.com

Web3j

web3j.io

Webby defunct

github.com

WebDriver

webdriver.io

webgen

webgen.gettalong.org

WebGradients

webgradients.com

Webpack

webpack.js.org

WebSockets

datatracker.ietf.org

Apache Weex

incubator.apache.org

Wheat

github.com

Whiskers.js

Winston

github.com

Wired Elements

wiredjs.com

wkHTMLtoPDF

wkhtmltopdf.org

Woofmark

bevacqua.github.io

Workerman

workerman.net

XMPP

github.com

Yarn  

yarnpkg.com

Yeoman

yeoman.io

Yii

yiiframework.com

YogaLayout.com

yogalayout.com

YUI Library defunct

yuilibrary.com

Zas

github.com

ZEIT

zeit.co

ZEIT Now

zeit.co

Zepto

zeptojs.com

Zipkin

zipkin.io