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Top 23 Component Open-Source Projects
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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shadcn/ui
Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.
Project mention: After Building StoreFrame in NEXT.js, Headless Magento Will Make a Big Comeback | dev.to | 2026-10-14Shadcn, nothing more and nothing less. shadcn/ui is the component library I am sworn to. It was born in React and NEXT.js; the Svelte and Vue versions are ports. I want to be on the original, not the copy.
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storybook
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
If you know tools like Storybook, the idea is similar. But you don't have to install, configure or run anything: the UI Kit is already part of EasyAdmin and it's rendered inside your own backend.
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The form posts to our own server (the site is built with Astro), and the first thing the handler does is look at that field:
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react-bits
The biggest open source library of animated, interactive & fully customizable React and NextJS components for building memorable websites.
Project mention: How I Fixed a CSS Animation Bug in an Open Source React Library | dev.to | 2026-05-26If you want to check out the PR: https://github.com/DavidHDev/react-bits/pull/851
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Project mention: Standard CSS has become beautiful, Tailwind may no longer be necessary | dev.to | 2026-06-23
What was born to solve this problem was Daisy UI.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Project mention: How I put my Copilot agents in my pocket: zero servers, end-to-end encryption and one nasty iOS bug | dev.to | 2026-10-01
The phone app is plain ES modules with no bundler: Preact and htm, marked and DOMPurify for Markdown, highlight.js, jsQR and a QR code generator. Each file is vendored and pinned by its SHA-256 in a lock file that a script verifies.
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I have used HeroUI and Untitled UI, and I consider both good options. Both provide free components, but accessing their more complete collections of components, page examples, and application templates requires buying their paid versions. That can still be a sensible investment if it saves several days of design and development work.
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headlessui
Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.
I want to be upfront: this isn't the only option. Radix Vue includes a combobox component, and Headless UI has a listbox. Both are excellent libraries.
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magicui
UI Library for Design Engineers. Animated components and effects you can copy and paste into your apps. Free. Open Source.
Project mention: Hyperiux Vault VS magicui - a user suggested alternative | libhunt.com/r/hyperiux-components | 2026-09-01 -
tabler-icons
A set of over 6200 free MIT-licensed high-quality SVG icons for you to use in your web projects.
I've used Tabler for everything so far (free, 4500 icons)
https://tabler.io/icons
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Project mention: Palantir's secret weapon isn't AI – it's Ontology. An open-source deep dive | news.ycombinator.com | 2026-02-21
I think their secret weapon is their opensource UI library.
https://blueprintjs.com/
I've been tracking this project since 2018. It hasn't changed drastically since then, but man it was polished and robust library.
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office-ui-fabric-react
Fluent UI web represents a collection of utilities, React components, and web components for building web applications.
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Framework7 is a hybrid mobile app framework focused on creating iOS and Android apps with a native look and feel. It is especially suitable for Progressive Web Apps (PWAs) and smaller projects. Framework7 comes with a comprehensive set of UI components that match each platform’s design guidelines, allowing developers to quickly build visually appealing applications with minimal configuration.
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nivo
nivo provides a rich set of dataviz components, built on top of the awesome d3 and React libraries
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Components discussion
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The Blog Was the Shelf, the Lab Is the Workbench
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A note from our sponsor - AppSignal
www.appsignal.com | 15 Oct 2026
Index
What are some of the best open-source Component projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Next.js | 143,111 |
| 2 | shadcn/ui | 125,220 |
| 3 | storybook | 91,239 |
| 4 | astro | 63,151 |
| 5 | Element UI | 54,061 |
| 6 | react-bits | 48,816 |
| 7 | daisyui | 42,556 |
| 8 | Preact | 38,923 |
| 9 | heroui | 30,895 |
| 10 | headlessui | 28,772 |
| 11 | recharts | 27,618 |
| 12 | vant | 24,386 |
| 13 | iview | 23,749 |
| 14 | magicui | 22,518 |
| 15 | tabler-icons | 22,301 |
| 16 | @blueprintjs/core | 22,130 |
| 17 | office-ui-fabric-react | 20,319 |
| 18 | framework7 | 18,763 |
| 19 | vux | 17,453 |
| 20 | bootstrap-vue | 14,414 |
| 21 | nivo | 14,106 |
| 22 | omi | 13,273 |
| 23 | semantic-ui-react | 13,212 |
Sponsored
AppSignal knows why the f*#k it crashed.
Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
www.appsignal.com