A curated list of amazingly awesome things regarding Preact ecosystem ๐
Preact is a fast 3kb React alternative with the same ES6 API. Components & Virtual DOM.
- Community
 - Toolkits
 - Boilerplates
 - Routing
 - Components
 - Libraries
 - Testing Utils
 - Articles
 - Example Apps
 - Real Apps
 - Related Libraries
 - Tips
 
- Slack (Discussion Forum)
 - Stack Overflow
 - Github
 
- Preact CLI - Build a Preact Progressive Web App in seconds.
 - Vite - Fast native-ESM powered web dev build tool for Preact, Vue or React.
 - nwb - Quick Development with React, Inferno or Preact.
 - React App Rewire Preact - Use Preact with create-react-app without ejecting.
 - Preact CLI PostCSS - It removes the default postcss config on Preact CLI, so you can use postcss.config.js.
 - Create Preact App - Create Preact apps with no build configuration.
 - Storybook Preact - Storybook for Preact is a UI development environment for your Preact components.
 
- Official Boilerplate - Ready-to-rock Preact starter project, powered by Webpack.
 - Preact Simple Starter - PWA Simple Starter with Preact, Preact-mdl and Webpack2.
 - Preact Offline Starter - Webpack2 boilerplate for building SPA / PWA / offline front-end apps with Preact.
 - TypeScript Preact Starter - Barebones starter project for Preact with TypeScript.
 - TypeScript PWA Preact Starter - PWA Starter with TypeScript and SASS (131kb)
 - Electron TypeScript Preact Boilerplate - Electron starter project with TypeScript and Preact support, powered by esbuild.
 - Preact Modern Startupper - PWA boilerplate with support for TypeScript, Goober, Unistore and Plop.
 - Preact Redux SSR Example - Server-side Rendering with Redux Example.
 - Preact PWA - PWA focused on raw performance, server side rendering, prerendering, redux, express, rollup.
 - Preact Chrome Extension - A Full Feature Preact Chrome Extension Starter Kit.
 - Preact Web Extension - โก๏ธ WebExtension Vite Starter Template with Preact.
 - Preact Neutralino TypeScript Starter - Starter project for building lightweight desktop applications with Preact and neutralino.js.
 - Simple Deno Starter - Tiny starter template with Preact and Deno for building single page applications.
 
- Preact Router - URL router for Preact.
 - Preact Route Async - A (440b gzip) route component that enables async loading of page-components.
 - Wouter - A tiny (1KB gzip) router for Preact/React with React Router-like API.
 
- Preact Material Components - Preact wrapper for "Material Components for the web".
 - Preact Scroll Header - A (800b gzip) header that will show/hide while scrolling for Preact.
 - Preact Progress - Simple and lightweight (~590 bytes gzip) progress bar component for Preact.
 - Preact Compat - Use any React library with Preact (full example).
 - Preact Render To String - Universal rendering.
 - Preact Markup - Render HTML & Custom Elements as JSX & Components.
 - Preact Portal - Render Preact components into (a) SPACE.
 - Preact Richtextarea - Simple HTML editor component.
 - Preact Token Input - Text field that tokenizes input, for things like tags.
 - Preact Virtual List - Easily render lists with millions of rows (demo).
 - Preact Cycle - Functional-reactive paradigm for Preact.
 - Preact Layout - Small and simple layout library.
 - Preact Socrates - Preact plugin for Socrates.
 - Preact Flyd - Use flyd FRP streams in Preact + JSX.
 - Preact I18nline - Integrates the ecosystem around i18n-js with Preact via i18nline.
 - Preact MUI - The MUI CSS Preact library.
 - Preact MDL - Use MDL as Preact components.
 - Preact Photon - Build beautiful desktop UI with photon.
 - Preact Classless Component - Create preact components without the class keyword.
 - Preact Hyperscript - Hyperscript-like syntax for creating elements.
 - Shallow Compare - Simplified 
shouldComponentUpdatehelper. - Preact Codemod - Transform your React code to Preact.
 - Preact Helmet - A document head manager for Preact.
 - Preact Delegate - Delegate DOM events.
 - Preact No SSR - Skip Server Side Rendering of Components.
 - Preact Head - Standalone, declarative <Head /> for Preact.
 - Preact Side Effect - Create components whose nested prop changes map to a global side effect.
 - Preact Tiny Atom - Preact Integration with Tiny Atom.
 - Preact Level List - Live updating leveldb list component for Preact.
 - Preact Country Picker - Country picker based on bootstrap 3 made for Preact.
 - Preact Fluid - A minimal UI kit for Preact.
 - Preact Feather Icons - Feather icons for Preact.
 - Preact Animate On Change - Add CSS3 animation when properties change.
 - Preact Async Route - Async route component for preact-router.
 - MU Forms - Dead simple form library for (P)React.
 - Pimg - Progressive Image Component; Used for lazy loading images.
 - Preact Component Console - Console Emulator. Simulates typing via dynamic delays.
 - Preact Translate - Minimalistic translate (i18n) library for Preact.
 - Preact Dock - Simple DnD and touch-enabled Dock for Preact apps.
 - Preact Particles - Lightweight component to easily add cool particles animations to websites.
 - Pant - Mobile UI Components built on Preact (docs and demos). Ported from awesome Vue components of Vant.
 - Preact Transitioning - Exposes Preact components for easily implementing basic CSS animations and transitions.
 - Preact Nominal Allocator - A numerical input element that can also manipulated with two buttons (-/+).
 - Tailored Components - Unstyled components and hooks for Preact & Deno.
 - Plotery - Fast and lightweight charting library.
 - Formica - Simple declarative forms for Preact.
 
- Redux Zero - A lightweight state container based on Redux with a single store and no reducers.
 - Unistore - 350b / 650b state container with component actions for Preact & React.
 - FPreact - Provides an alternative api for creating preact components, heavily inspired by elm.
 - ProppyJS - A tiny library for functional props composition
 - ClearX - Fast & Effortless state management for React, Preact and Inferno with zero learning curve.
 - Preact-urql - Use urql with Preact core + hooks.
 - hooked-head - Hooks to manipulate the 
<head>section of the DOM. This has a subpackage with core preact support (usingpreact/hooks). - Teaful - Tiny (800B), easy and powerful (P)React state management.
 - Nano Stores - A tiny (199 bytes) state manager with many atomic tree-shakable stores.
 - Modular Forms - Modular, type-safe and signal based form library for Preact.
 - exome - Simple proxy based state manager for deeply nested states.
 - Fastro - Fast & Modular SSR Web Framework for Deno, TypeScript, Preact & Tailwind.
 - Formisch - A form library for Preact with focus on performance, type safety and bundle size.
 
- Preact JSX Chai - JSX assertion testing (no DOM, right in Node).
 - Preact Render Spy - Render Preact components with access to the produced virtual dom for testing.
 - Preact Test Utils - Mock react-test-utils enzyme in preact.
 - Preact Testing Library - Simple and complete Preact DOM testing utilities that encourage good testing practices.
 - Preact Island - Render your Preact component as a widget on any web page with ease.
 
- WTF is JSX
 - The Inner Workings of Virtual DOM
 - Using Preact Instead of React
 - Preact Internals #1: The Easy Parts
 - Preact Internals #2: The Component Model
 - Building a Small PWA with Preact and Firebase
 - Authentication with Auth0
 
- Preact HN - Demonstration of Preact used to build Hacker News as a PWA.
 - TodoMVC - TodoMVC done in Preact. Under 6kb and fast.
 - Colors App - PWA for copying values from popular color palettes. Supports HEX, RGB, and HSL formats.
 - Tracks - PWA for tracking things in general. Gdrive Sync.
 - Hueify - Simple controller for your Philips Hue lights.
 - Golazon - Football data mnmlist way.
 - Shopping List - Progressive Web App Built Using Preact and PouchDB.
 - Code and Comment - The application to add the comments to a file in Github (demo).
 - Play.cash ๐ถ (GitHub Project)
 - Songsterr ๐ผ Using Preact X in production since 10.0 alpha
 - BitMidi ๐น Wayback machine for free MIDI files (GitHub Project)
 - Ultimate Guitar ๐ธspeed boosted by Preact.
 - ESBench is built using Preact.
 - BigWebQuiz (GitHub Project)
 - Nectarine.rocks (GitHub Project) ๐
 - OSS.Ninja (GitHub Project)
 - GuriVR (GitHub Project)
 - Offline Gallery (GitHub Project) ๐
 - Periodic Weather (GitHub Project) โ๏ธ
 - Rugby News Board (GitHub Project)
 - Preact Gallery an 8KB photo gallery PWA built using Preact.
 - Rainbow Explorer Preact app to translate real life color to digital color (Github project).
 - YASCC Yet Another SoundCloud Client (Github project).
 - Journalize 14k offline-capable journaling PWA using preact. (Github project).
 - Proxx A game of proximity by GoogleChromeLabs using preact. (Github project).
 - Web Maker An offline and blazing fast frontend playground built using Preact. (Github project).
 - Intergram A live chat widget linked to your Telegram messenger built using Preact. (Github project).
 - Preact App in ES6 without Babel or JSX (GitHub Project).
 - GHFresh Monitor GitHub repository releases โ Prerendering with Preact. Built with Preact Compat, TypeScript, Material-UI and Redux Toolkit. (GitHub Project).
 - Passwords Fountain - modern & performant password manager interface which works everywhere (Github project).
 - macOS Web - macOS Big Sur Desktop experience for Web, built with Preact and Vite (Github project).
 - Cinemate - Movie Recommender System built with Preact and TypeScript. Backend written in Rust.
 - Windows 11 Web - Awe-amazing Windows 11 clone for the web! โก (Github project).
 - Idea Keeper ๐ง Highly extensible and minimalistic idea keeping app (GitHub Project).
 - Trellith - Tiny Trello Clone PWA (GitHub Project).
 - Gladys Assistant - A privacy-first, open-source home assistant (GitHub Project).
 
- React - A declarative, efficient, and flexible JavaScript library for building user interfaces.
 - Inferno - An extremely fast, React-like JavaScript library for building modern user interfaces.
 - Rax - A universal React-compatible render engine.
 
Contribute some ;)
Your contributions and suggestions are welcome anytime. Build great stuffs with Preact, share with us ;) 
Make sure you follow the guidelines. Thank you!