JS libs

tooling.js.org - JavaScript and TypeScript tooling overview

Core

licia - huge number of useful and small js functions, modules & classes [#utils #lodash]
type-fest - a collection of essential TypeScript types [#ts #tools #helpers]
regexhq - useful regex collection

React

react-perf-devtool - a browser developer tool extension to inspect performance [#react #perf #tool #extension]
react-fns - browser api into declarative React Components and HoC [#render-prop #browser #api]
dnd-kit - lightweight, performant, accessible and extensible drag & drop toolkit [#react #dnd #tool]
react-hot-toast - lightweight, customizable notifications [#react #ui]

React UI

react-circular-progressbar - [#countdown #timer]
ant-design - [#ui #ui-kit]
react-id-swiper - swiper as a react component [#slider #carousel #swiper #ui]
microlink - convert your links into beautiful previews [#ui #links #preview #social]
ink - react for interactive command-line apps [#react #cli #ui]
react-fullpage - create fullscreen scrolling websites [#react #ui #scrolling #landing]

Functional

proppy - functional props composition for UI components [#fp #props #compese #react #redux]

State management

unstated - easily share this state with other components in our tree [#state #render-prop]
react-powerplug - Renderless Pluggable State Containers [#state #toggle #render-prop]
immer - next immutable state by mutating the current one [#state #redux #immutable]
retarget - selectors via targets [#state #selector]
redux-bundler - add rules & structure for redux, reduce boilerplate [#redux #bundle #modules]
ducks-modular-redux - pack all redux staff into ducks [#redux #bundle #modules]
rematch - redux framework to reduce boilerplate [#redux #render-prop #browser-api #lets-try]
cerebral - state and side effects management [#state]
meiosis - state management pattern [#state #patterns]

Webpack / Build

react-app-rewired - override create-react-app webpack configs without ejecting [#cra #config #eject]
preload-webpack-plugin - for injecting <link rel='preload|prefecth'> - [#webpack #async #chunk #lazy-load]
customize-cra - override webpack configurations for create-react-app 2.0 - [#cra #webpack #eject #config]
packtracker - check webpack bundle size for pull request [#webpack #check]

Node

micro - asynchronous HTTP microservices - [#node #server #microservice #zeit]

React Native

react-native-timeline-listview - Timeline component for React Native App [#RN #timeline]

Electron

photon - UI toolkit for building desktop apps with Electron. [#toolkit #electron]

Tools

oclif - framework for building cli in node.js - [#cli #terminal]
maid - markdown driven task runner - [#cli #scripts #task #run #md]

Docs

docz - easy to document your things [#docs #styleguide]
Docusaurus - open source documentation websites [#docs]

Git

hubdb - a github-powered database
js-git - js implementation of git

TypeScript

tRPC - Typesafe APIs easy

Other

BOTTENDER - Make Bots in Your Way, Fast and Flexibly - [#js #slack #bots #telegram]
choo - sturdy 4kb frontend framework [#ui #dom #minimal #framework #to-try]
driver - engine to drive the user's focus across the page [#popup #vanilla]
GoJS Samples - [#charts #gojs]
ReLaXed - create pdf documents [#pdf #converter]
uppy - file uploader [#file #uploader]
partytown - move 3rd party script to worker thread [#perf #core]
transformers.js - run AI models in browser