Community• 18 Min Read

The Power of the Community: 12 Open Source React Component Libraries You Should Know

IU

IndoUI Editorial Team

March 12, 2026

Why Open Source is the Best Choice for Stability

When you use a proprietary UI library, you are completely at the mercy of the company that owns it. If they pivot, shut down, or significantly raise prices, your project is in trouble. Open-source libraries (specifically those with MIT or Apache licenses) provide **Stability Through Distribution**. Even if the original author stops maintaining the project, the community can fork it and keep it alive.

For instance, many modern responsive React navbar implementations today are forks or evolutions of open-source projects from five years ago. This collaborative legacy ensures that accessibility and performance bugs are squashed by hundreds of developers, not just a small corporate team.

Community stability: The advantage of owning and forking open-source UI.

The Top 12 Open Source React Component Libraries

1. Ant Design (Enterprise Standard)

A massive, open-source repository of components designed specifically for B2B applications. It’s particularly famous for its incredible React data tables and data handling components.

2. Grommet (Accessibility First)

Backed by HPE but fully open-source, Grommet is a favorite for those who need high accessibility (A11y) and deep layout control.

3. NextUI (Aesthetics Redefined)

Built on top of Tailwind and Framer Motion, NextUI is an open-source library that looks like a expensive premium product. It’s perfect for SaaS apps that want a high-end feel.

4. Evergreen (Segment's UI)

Segment's open-source UI kit is refined, professional, and built for building data-driven products at scale.

5. IndoUI Blocks (Community Collection)

IndoUI offers a community-first collection of "Copy-Paste" blocks. It leverages the open-source nature of Tailwind CSS and React to give you direct access to high-quality code. Whether you need accessible React buttons or modern React forms, our blocks are designed to be part of your open-source workflow.

How to Support Sustainable Open Source

If you rely on these libraries for your business, consider supporting them:

• Financial Support: Use GitHub Sponsors or OpenCollective.
• Code Contributions: Fix a bug, improve documentation, or help with a translation.
• Sharing: Write a blog post (like this one!) or share the library on social media.

Frequently Asked Questions