# Pencil Project

> Cross-platform open-source application for designing user interface mockups and prototypes

- **Canonical URI:** https://www.vioscale.ai/software/pencil-project
- **Category:** Wireframing
- **Homepage:** https://pencil.evolus.vn
- **Also known as:** pencil-project
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-31T14:03:10.630Z

## Vioscale score

**34.6 / 100**, confidence 8% (low). Computed 2026-09-01.

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

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 57.8 | 0.07844444444444446 | 4.5 | ✓ |
| repo_stars | 0 | 0.026 | 0 | - |
| integrations | 8.7 | 0.07033333333333334 | 0.6 | ✓ |
| dependent_projects | 0 | 0.063 | 0 | - |
| dev_activity | 0 | 0.094 | 0 | - |
| release_cadence | 0 | 0.052 | 0 | - |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 0 | 0.042 | 0 | - |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-31, [verify at source](https://pencil.evolus.vn). Independently observed._

Open source · Free tier

> Free and open-source

## About

A freely available desktop tool for creating wireframes and mockups with built-in templates for web, mobile, and desktop user interfaces. Includes diagram drawing, interactive prototyping, and multi-format export capabilities.

_Independently observed._

## Platform & deployment

- **Platforms:** macOS, Linux, Windows

## Integrations (1)

_Independently observed._

- OpenClipart.org — asset_library (native, inbound)

## Capabilities

_The capabilities that matter for Wireframing. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Capabilities** | |
| Architecture model | Desktop local application |
| Enforced low fidelity sketch rendering aesthetic | - |
| Pre built ios android web UI component library | ✓ |
| AI generation from text prompts or napkin sketches | - |
| Drag and drop click through user flow linking | ✓ |
| Real time multiplayer crdt cursor sync | - |
| Confluence and jira native iframe embedding | - |
| Export to high fidelity tools figma sketch | - |
| Click heatmap and basic usability testing integration | - |
| Offline editing mode | ✓ |
| SOC2 type ii | - |
| ISO 27001 | - |
| Pricing model | - |

## Facts

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

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.price_level | free | [link](https://pencil.evolus.vn) | 2026-08-31 | 60% (medium) |
| pricing.free_tier | yes | [link](https://pencil.evolus.vn) | 2026-08-31 | 60% (medium) |
| pricing.model | open_source | [link](https://pencil.evolus.vn) | 2026-08-31 | 60% (medium) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 1 | [link](https://pencil.evolus.vn) | 2026-08-31 | 60% (medium) |

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