# Stencil

> The magical, reusable web component compiler

- **Canonical URI:** https://www.vioscale.ai/software/stencil
- **Category:** Frontend UI Frameworks
- **Homepage:** https://stenciljs.com/
- **Also known as:** stencil
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T21:00:42.555Z

## Vioscale score

**66.8 / 100**, confidence 31% (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 | 67.1 | 16 | 1073.9 | ✓ |
| github_stars | 77.7 | 5 | 388.4 | ✓ |
| integrations | 0 | 8 | 0 | - |
| github_activity | 28.4 | 18 | 511.8 | ✓ |
| release_cadence | 96.7 | 10 | 966.7 | ✓ |
| security_posture | 0 | 13 | 0 | - |
| package_downloads | 79.7 | 26 | 2072.1 | ✓ |
| pricing_transparency | 0 | 8 | 0 | - |
| stackoverflow_activity | 0 | 12 | 0 | - |

## About

A compiler for building reusable, scalable component libraries that generate small, blazing fast Web Components using TypeScript, JSX, and CSS.

_Independently observed._

## Platform & deployment

- **Platforms:** Web

## Capabilities

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

| Capability | Supported |
|---|:--:|
| **Core** | |
| Paradigm | Web Components compiler |
| **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 | Tiny (<10kb) |

## Facts

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

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 7 | [link](https://github.com/ionic-team/stencil/pulse) | 2026-08-03 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 13,122 | [link](https://github.com/ionic-team/stencil) | 2026-08-03 | 90% (high) |
| adoption.package_downloads_weekly | 1,366,965 | [link](https://www.npmjs.com/package/@stencil/core) | 2026-08-03 | 85% (high) |

### language

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

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://www.npmjs.com/package/@stencil/core) | 2026-08-03 | 85% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | commercial | [link](https://stenciljs.com/) | 2026-08-03 | 48% (low) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 6 | [link](https://github.com/ionic-team/stencil/releases) | 2026-08-03 | 70% (medium) |

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