What is Headless UI?
Open-source library of fully accessible UI components designed to be completely unstyled, providing seamless integration with Tailwind CSS
Headless UI pricing
We don't have Headless UI's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What Headless UI does
The capabilities that matter for frontend ui frameworks, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Paradigm
- Headless component library
- Reusable component model
- ✓
- Virtual DOM
- ✓
- Signals / fine-grained reactivity
- -
- SSR support
- ✓
- First-class TypeScript
- -
- Built-in state management
- -
- Official router
- -
- Runtime size
- Tiny (<10kb)
Platform & deployment
Independently observed- Web
Integrations (3)
Independently observed- React
- Vue
- Tailwind CSS
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
Headless UI FAQ
Common questions about Headless UI, answered from independent, dated evidence.
What is Headless UI?
Open-source library of fully accessible UI components designed to be completely unstyled, providing seamless integration with Tailwind CSS It is indexed under Frontend UI Frameworks.
Source: https://headlessui.com/
Is Headless UI free to use?
Headless UI is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.
Source: https://headlessui.com/
What platforms does Headless UI support?
We have confirmed browser-based access to Headless UI. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.
Source: https://headlessui.com/
What does Headless UI integrate with?
We have confirmed 3 integrations for Headless UI, including React, Vue and Tailwind CSS. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://headlessui.com/
Is Headless UI open source?
Yes. Headless UI is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Headless UI alternatives
Other frontend ui frameworks we track, ranked by the same independent score.
- Vue.jsmedium · 71%
- PreactA minimalist UI framework that provides component-based development without the performance cost of larger alternatives.medium · 72%
- AngularA web framework for building performant, scalable applicationsmedium · 59%
- Vue.jsJavaScript framework for building interactive web interfaceshigh · 77%
- SvelteA compiler-based web framework for building responsive componentsmedium · 72%
- ReactBuild interactive user interfaces for web and native platforms using reusable componentsmedium · 73%
Compare Headless UI
Side by side against other frontend ui frameworks, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Headless UI, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Package downloads | 86 | 0.17 | 14.8 | ✓ |
| Release cadence | 93 | 0.07 | 6.3 | ✓ |
| Dependent projects | 78 | 0.08 | 6.2 | ✓ |
| Capabilities | 58 | 0.08 | 4.8 | ✓ |
| Stars | 84 | 0.03 | 2.8 | ✓ |
| Security score | 42 | 0.05 | 2.2 | ✓ |
| Integrations | 17 | 0.05 | 0.9 | ✓ |
| Development activity | 0 | 0.12 | 0.0 | - |
| Security posture | 0 | 0.09 | 0.0 | - |
| Developer Q&A activity | 0 | 0.08 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 5 items | mediumsource · 2026-09-10 · 68% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Paradigm: Headless component library · Bundle size: tiny · Ssr support: Yes · Virtual dom: Yes · Component model: Yes | mediumsource · 2026-08-13 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 3 | mediumsource · 2026-08-13 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | TypeScript | highsource · 2026-09-10 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | MIT | highsource · 2026-09-10 · 99% |
Pricing
Release
Security
Is Headless UI the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Headless UI against the rest of the frontend ui frameworks we index, using the same dated evidence weighted your way.
Free to run, no account needed to start. How the evaluation works
Is this your product?
This profile was built from public sources without asking you. You can take the badge below and use it anywhere, and you can claim the profile to correct anything we got wrong. Both are free, and neither moves Headless UI up or down: nobody can buy rank here, including you.
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