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Products that do what I built a JavaScript UI library with reactive atomic updates does
Hey everyone! Some time ago I was analyzing why React apps are so hard to optimize, and came to a conclusion that the lack of atomic updates is the culprit. I made an experimental library which basically updates everything in place directly in HTML. At some point I became aware that Solidjs exists, which is a very similar idea, but at the end of the day I realized my approach to API is quite different and warrants the existence of my library (my state primitive allows selector subscriptions, array iterators return a state primitive with the element, allowing to never re-render the whole…
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Hi everyone, I've been working on this thing for a while. It transpiles Haml into Ruby, and then it streams patches to the browser which update the DOM. There is a memory leak in s.rb, which I'm not really sure how to solve. Seems like objects stay alive for longer than they should because of circular references or something but I'm not sure what's going on to be honest. I think this approach has potential though.
2023 · github.com
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2015 · github.com
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with affinity you can make multiple apps (components eventually) and store (ala redux) - while a store can be shared through apps. This started as a case study and as a small reusable code for creating self contained dom elements with functionality - during the time of development, ideas and inspiration came from angular, react and vuejs. suggestions and feedback is mostly welcomed. The interesting challenges were finding ways for these topics: 1. create a component lib using dom and js only, without any 3rd party . 2. producing semantic html in dom . 3. allow template micro syntax (using…
2018
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2021 · compiledcssinjs.com
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2020 · github.com
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Hi! My name is David and I wanted to show you a react (and solidjs) library I've built over the last months. The intention behind it is, that there are some actually useful use cases for AI on the frontend that are largely unexploited still. LLMs are particularly good at extracting structured information from unstructured text and thats really useful for any types of forms - which can be multimodal. Setting up server side logic for AI usage can take time. Streaming data to the frontend and parsing it there to make it usable can be frustrating. Imho thats one of the reasons why people…
2025 · ai-hooks.dev
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2017 · github.com
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Hey HN, We just released v5 of LemonadeJS, a micro-reactive library (~5.5KB compressed, no dependencies) that brings reactivity, scoped state, and JSX support to browser-native JavaScript. Key Features in v5: - Private reactive state for components - Scoped events for modularity - JSX support (via a Babel plugin) - children argument for nested components - Template literal interpolation - Improved DOM rendering performance Use it with plain JS, TypeScript, or JSX — no build step required. Ideal for browser tools, widgets, or building fast UIs without bundlers.…
2025 · lemonadejs.com
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I built a small guided tour library for React because I couldn’t find a free one that works cleanly with React 19+. It’s lightweight, uses modern React APIs, and is free. Let me know what you think: https://github.com/Aladinbensassi/react-guided-tour
Jan 2026 · github.com
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2017 · reactsymbols.com
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After almost a year of development and iterating, we just released Legend-State 1.0. It's the fastest React state library and is very easy to use, based on Observables (Signals) with fine-grained reactivity and built-in persistence. I'd love to know what you think, and I'm also happy to answer any general JavaScript performance questions if you want since I've gone very deep into optimizing . https://github.com/LegendApp/legend-state
2023 · legendapp.com
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2014 · github.com
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I quit my dev job 2 years ago to work on projects I actually care about. I built a CRM for philanthropy as a nonprofit, and on the side, I tinker with fun projects to learn new languages and sharpen my skills. Recently, I was looking for new component libraries to use, but I realized… there’s no single platform showcasing ALL component libraries across frameworks—especially independent, bootstrapped ones. No wonder so many projects default to MUI, DaisyUI, and other mainstream options. So, I decided to fix that. I collected 75+ libraries for React, Vue, Angular, Svelte, Rails, Nuxt, and…
2025 · componentlibraries.com
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Hi HN! Solo developer here. 10 days ago, I started building this after spending countless hours copying/pasting marketing sections and fighting to keep them consistent with our design system. I wondered: "What if AI could understand our design system and generate React components that actually match it?" Current progress (10 days in): - Can generate hero sections that follow your design tokens - Uses your actual component variants and styles - Works with Next.js, Tailwind, shadcn/ui It's very early days, but I'm excited to share it with other devs who: - Are tired of rebuilding…
2024 · robustlaunch.com
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Hi HN, I'm Mathieu and two days ago I ran into a YouTube video about Effect ("a powerful TypeScript framework that provides a fully-fledged functional effect system with a rich standard library"). This made me so exited that I wanted to build something with it and this is the result! Effect UI - A reactive UI framework completely build with Effect. Reactive properties are SubscriptionRefs which make fine-grained reactivity possible (like in SolidJS, no re-renders like in React). Components are just Effects, which makes dependency injection of themes, clients and stores possible by using…
2025 · github.com
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2020 · github.com
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Pre-covid, I was traveling full time to teach ReactJS to corporate clients. My students (mostly developers at banks and insurance companies) would ask me 'What's a good React book?' and I would struggle to recommend something, knowing that all the books sucked or were really out of date. When all my face-to-face training work dried up and I really didn't want to do online training, I magically got a contract to write a book. I started by reading all of the best-selling books on React, and, yeah, they were all really out of date, incomplete, or just wrong. As I started writing what I hoped…
2022
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2021 · github.com
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Hi everyone, After four years, I'm finally open sourcing my little markup language that compiles directly to HTML, and has all the "modern" features built into the core, (reactive components, server side rendering, modules, bundling, etc.). No metaframework required! Feels like I really have something here, I'd love your feedback :)
2023 · a-dom.io
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Hello HN, I had some christmas free time over the last two weeks (Merry Christmas btw ;-)) and used that time to completely recreate the website of my app[1]. I used all the fancy new tools. I didn't know some of them when I started. What was my goal? * Pretty website * Blazing fast * Mobile first * SSR * Webp support * Generally all the best website practices (high lighthouse score) What did I use? * Tailwindcss (https://tailwindcss.com/) * Tailwind Components (https://tailwindui.com/) * React (https://reactjs.org/) * ViteJs…
2021
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Hey, I'm absolutely thrilled to introduce my meticulously crafted Next.js Boilerplate, a project I've maintained for over 2 years. Recently, this project has achieved a huge milestone, over 4500+ stars on GitHub! Initially, I've build the boilerplate for my own use case. A template that allows me to kickstart a new React project with all the necessary tooling. The idea is to setup once and then reuse the template for all my future web projects, eliminating the need to start from scratch each time. This approach tremendously saves time, sparing me from repeatedly configuring and integrating…
2023
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Progressive Web App, "Finding Nora": https://nora.now.sh/ It was also my first attempt at TypeScript + React. Preliminary conclusion: Getting started is a bit slower and the code more verbose, but refactoring become sooo much easier. And: Almost no need to reload and debug anymore. Once TypeScript is satisfied with my code it generally just works. Source code and more information can be found here: https://github.com/vnglst/finding-nora
2018
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