21st.dev
Create, remix and share UI components with AI
Eleventy
A simpler static site generator.
Updated June 2026
| 21st.dev | Eleventy | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 6 | 9 |
| Pros | 6 | 18 |
| FactScore™ | 42.3 | 50 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in 21st.dev — Pros
UI component marketplace 3D components Actionable insights Centralized UI components Easy integration Free componentsBoth tools — Pros
—Only in Eleventy — Pros
Flexibility Templating language support Community support Constant development Easy setup Fast performance Static site generation Component islands Customizable structure Edge support Excellent build speeds Extensible HTML and CSS focus Inclusive community Integration with popular tech Modern tooling support Server-side rendering Smooth performanceOnly in 21st.dev — Cons
—Both tools — Cons
—Only in Eleventy — Cons
Documentation could be betterDetails
| 21st.dev | Eleventy | |
|---|---|---|
| Categories | Website builders, No-code Platforms | Website builders, No-code Platforms, Static site generators |
| Platforms | Web | Web |
| Added | January 7, 2025 | May 8, 2022 |
| Website | 21st.dev | 11ty.dev |
Who Should Pick Which?
Choose 21st.dev if...
- UI component marketplace
- 3D components
- Actionable insights
Choose Eleventy if...
- Flexibility
- Templating language support
- Community support
With a FactScore™ of 42.3 vs 50, Eleventy leads in community reception. 21st.dev uniquely offers UI component marketplace and 3D components, while Eleventy stands out for Flexibility and Templating language support.
What Users Say
21st.dev
Looks like a practical tool for speeding up UI development, especially when working with AI-driven apps. It’s helpful to have ready-to-use components instead of building everything from scratch. Ar...
This definitely simplifies the workflow for frontend developers. Having a centralized space for high-quality UI components saves a lot of time compared to searching for scattered solutions. Curious...
This feels like a great way to cut down on repetitive design work. I wonder how it handles versioning when components get updated.
Eleventy
A super fast way to spin up a static site and get that product page online.
11ty is literally responsible for bringing back my desire to make for the web again. I call it my enabler, and it has powered all of my projects since 2020. Especially with v2 released, the feature...
Eleventy is the SSG I reach for first. I actively run both my personal and business websites on 11ty. The product's focus on HTML and CSS is refreshing in a sea of JS generators.
Related Comparisons
Frequently Asked Questions
Which is better, 21st.dev or Eleventy?
Based on FactScore™, Eleventy leads with a score of 50 vs 42.3. Eleventy has a higher rating of 5.0★ compared to 5.0★.
What are the pros of 21st.dev compared to Eleventy?
21st.dev uniquely offers: UI component marketplace, 3D components, Actionable insights, Centralized UI components, Easy integration.
What are the pros of Eleventy compared to 21st.dev?
Eleventy uniquely offers: Flexibility, Templating language support, Community support, Constant development, Easy setup.
Is 21st.dev better rated than Eleventy?
21st.dev is rated 5.0★ from 6 reviews. Eleventy is rated 5.0★ from 9 reviews.
What is the FactScore™ of 21st.dev and Eleventy?
FactScore™ weighs rating and review volume together. 21st.dev scores 42.3 and Eleventy scores 50.
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