# Headless UI

> Unstyled, fully accessible UI components

- **Canonical URI:** https://www.vioscale.ai/software/headless-ui
- **Category:** Frontend UI Frameworks
- **Homepage:** https://headlessui.com/
- **Also known as:** headless-ui
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T20:59:01.187Z

## Vioscale score

**72.4 / 100**, confidence 21% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 0 | 6 | 0 | - |
| reliability | 0 | 8 | 0 | - |
| capabilities | 28.9 | 16 | 462.5 | ✓ |
| github_stars | 84.1 | 5 | 420.5 | ✓ |
| integrations | 0 | 8 | 0 | - |
| github_activity | 0 | 18 | 0 | - |
| release_cadence | 93.3 | 10 | 933.3 | ✓ |
| security_posture | 0 | 13 | 0 | - |
| package_downloads | 88.8 | 26 | 2309.7 | ✓ |
| pricing_transparency | 0 | 8 | 0 | - |
| stackoverflow_activity | 0 | 12 | 0 | - |

## About

Completely unstyled, fully accessible UI components designed to integrate beautifully with Tailwind CSS.

_Independently observed._

## Platform & deployment

- **Platforms:** Web

## Capabilities

_The capabilities that matter for Frontend UI Frameworks. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Core** | |
| Paradigm | Unstyled component library for React and Vue |
| **Rendering** | |
| Virtual DOM | - |
| Signals / fine-grained reactivity | - |
| SSR support | - |
| **DX** | |
| First-class TypeScript | - |
| **Core** | |
| Reusable component model | ✓ |
| **State** | |
| Built-in state management | - |
| **Ecosystem** | |
| Official router | - |
| **Performance** | |
| Runtime size | - |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 28,686 | [link](https://github.com/tailwindlabs/headlessui) | 2026-08-03 | 90% (high) |
| adoption.package_downloads_weekly | 6,907,731 | [link](https://www.npmjs.com/package/@headlessui/react) | 2026-08-03 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | TypeScript | [link](https://github.com/tailwindlabs/headlessui) | 2026-08-03 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/tailwindlabs/headlessui) | 2026-08-03 | 99% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | commercial | [link](https://headlessui.com/) | 2026-08-03 | 40% (low) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 12 | [link](https://github.com/tailwindlabs/headlessui/releases) | 2026-08-03 | 70% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/headless-ui). Independent, evidence-based software intelligence. Cite the canonical URI.*