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Top 23 Responsive Open-Source Projects
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It is because of you that Ant Design can continue to grow and move towards its next stop: 《Plan about Ant Design 6.0》
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Project mention: How to Convert Supplier CSVs to Shopify/Amazon/WooCommerce Without Uploading to a Server | dev.to | 2026-06-01
eBay: 30+ fields (item specifics, variations, shipping) Each schema is a JSON file defining field names, data types, and validation rules. The mapper walks source → target assignments and applies type coercion (string → number, date formatting, etc.) before export. The entire app stays under 200 KB gzipped by avoiding heavy UI libraries. It's built with Preact + htm (no JSX build step) and styled with Tailwind CSS v4. Export & Practical Considerations Export uses the standard Blob + download API. No server round-trip — just an ephemeral click with URL.createObjectURL(). The free tier handles 50 rows, enough to validate the mapping before committing. Column mapping profiles can be saved and reused, which is useful when the same supplier sends weekly inventory files with identical headers. Try It If you deal with supplier files regularly, you might find this useful. SKUMart handles all of this out of the box — just drop a file and export.
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Project mention: Uptime Kuma vs Hosted Monitoring: Self-Hosted Is Not Always Free | dev.to | 2026-04-21
Uptime Kuma is one of the most popular open-source monitoring tools available today. It is self-hosted, beautifully designed, and completely free to use. If you are looking for an Uptime Kuma alternative or evaluating self-hosted monitoring against hosted options, you have probably seen it recommended in every Reddit thread, Hacker News discussion, and developer forum on the topic.
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Project mention: chakra-ui VS ui - a user suggested alternative | libhunt.com/r/chakra-ui | 2025-10-11
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responsively-app
A modified web browser that helps in responsive web development. A web developer's must have dev-tool.
Project mention: Improving Responsively App Documentation – Week 2 of Hacktoberfest | dev.to | 2025-10-19For my second Hacktoberfest contribution, I worked on improving the documentation for Responsively App, an open-source desktop browser that helps developers preview responsive websites in real time. The README was missing some setup instructions and quick-start steps, so I decided to make it easier for new users and contributors.
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Dockge (v1.5.0) is a Docker Compose stack manager created by Louis Lam, the developer behind Uptime Kuma. It is a Node.js application that does exactly one thing: manage compose.yaml files through a web UI. You create, edit, start, stop, and update stacks. The files live on disk as plain YAML. Dockge runs on port 5001, touches nothing else on your system, and uses around 30 MB of RAM.
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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.
Microsoft Fluent UI: lives in a multi-package monorepo that ships React components, Web Components, and even design tokens.
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Project mention: I built an open-source email builder, alternative to Beefree SDK and Unlayer | news.ycombinator.com | 2026-05-06
Even when using mjml you must do render tests of your templates using litmus or a similar service. Mjml is WAY better than hand rolling templates but there are foot guns to be found and the docs won’t mention most of them https://github.com/mjmlio/mjml/issues/2927#issuecomment-2539....
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Project mention: Vanilla JavaScript Support for Tailwind Plus – Tailwind CSS | news.ycombinator.com | 2025-07-25
Tachyons CSS was also around at the same time but Tailwind had simpler naming conventions so instead of `br4` you had `rounded-lg`.
1. https://tachyons.io/
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semi-design
🚀A modern, comprehensive, flexible design system and React UI library, AI-friendly built-in.🎨Provide 3000+ Design Tokens, easy to build your design system. Make Semi Design to Any Design.🧑🏻💻 Design to Code in one click
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grommet
a react-based framework that provides accessibility, modularity, responsiveness, and theming in a tidy package
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Styled-system - Style props for rapid UI development
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).
Responsive discussion
Responsive related posts
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Show HN: µCSS, a CSS framework with 17 components, 20 themes, no build required
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Improving Django Admin UI with Django-unfold
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Palantir's secret weapon isn't AI – it's Ontology. An open-source deep dive
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AgnosticUI Onboarding Playbook
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Trading CV- A different and interactive way to share your skills.
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Prompt-Driven UI: Building Production-Ready Login Pages with AgnosticUI & AI
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Human-in-the-Loop, by Design: Evolving from Algorithms to Care-Centered AI
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A note from our sponsor - SaaSHub
www.saashub.com | 7 Jun 2026
Index
What are some of the best open-source Responsive projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | antd | 98,249 |
| 2 | Tailwind CSS | 95,402 |
| 3 | uptime-kuma | 87,646 |
| 4 | chakra-ui | 40,428 |
| 5 | ngx-admin | 25,894 |
| 6 | responsively-app | 24,969 |
| 7 | dockge | 23,391 |
| 8 | @blueprintjs/core | 21,798 |
| 9 | office-ui-fabric-react | 20,040 |
| 10 | MJML | 18,091 |
| 11 | responsive-html-email-template | 13,684 |
| 12 | semantic-ui-react | 13,223 |
| 13 | evergreen | 12,426 |
| 14 | tachyons | 11,711 |
| 15 | semi-design | 9,926 |
| 16 | carbon | 9,153 |
| 17 | base web | 8,985 |
| 18 | rsuite | 8,698 |
| 19 | reakit | 8,567 |
| 20 | grommet | 8,358 |
| 21 | primereact | 8,309 |
| 22 | rebass | 7,907 |
| 23 | styled-system | 7,874 |
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