The NPM for Design Engineers
- Component Library
- AI-assisted Customization
- Design System Alignment
10 similar tools you can use instead of Arc, with pricing and key features.
Build interfaces that feel finished

The NPM for Design Engineers
React & Tailwind CSS Component Library
Unstyled UI components for accessible design systems
React Design System for Dashboards
UI library for Design Engineers
An open source component library optimized for fast development, easy maintenance, and accessibility.
React components for creative developers
The Foundation for your Design System
The ultimate block set for Shadcn UI & Tailwind
Copy-and-Paste Tailwind CSS UI Components for Charts and Dashboards
Arc is a UI tool: Build interfaces that feel finished. It has a free plan. It is open source. Key features include Component library, Shadcn CLI integration, AI/docs-driven scaffolding and Live previews.
Yes. Aceternity UI and BoardUI have a free plan. Arc also has a free plan.
Yes. Arc is open source, and so are Base UI, BoardUI, Magic UI, Radix UI, React Bits and 2 others.
21st.dev: From $6 / per month billed yearly. React Bits: From $29 / monthly. Shadcnblocks: From $149 / one-time.