# PlantUML

- **Canonical URI:** https://www.vioscale.ai/software/plantuml
- **Category:** Diagramming
- **Homepage:** https://plantuml.com
- **Also known as:** plantuml
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:19:35.837Z

## Vioscale score

**6 / 100**, confidence 11% (low). Computed 2026-09-01. _(updating — computed under an earlier model version or past its freshness window.)_

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

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 0 | 0.07844444444444446 | 0 | - |
| repo_stars | 42 | 0.026 | 1.1 | ✓ |
| integrations | 0 | 0.07033333333333334 | 0 | - |
| 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 2026-08-20, [verify at source](https://plantuml.com). Independently observed._

Open source · Free tier

> Free and open-source under Eclipse Public License 2.0

## About

An open-source, browser-based application that converts simple text syntax into visual diagrams, supporting multiple diagram types including UML, sequences, flowcharts, and data visualizations.

_Independently observed._

## Platform & deployment

- **Platforms:** Web
- **Deployment:** Cloud / SaaS

## Security & compliance


Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=debian&package_name=iso-flags-svg&per_page=100)). A count reflects scale and disclosure, not quality.

## 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 | 0 | [link](https://github.com/joielechong/iso-country-flags-svg-collection/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 168 | [link](https://github.com/joielechong/iso-country-flags-svg-collection) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 0 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fjoielechong%2Fiso-country-flags-svg-collection) | 2026-08-26 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Perl | [link](https://github.com/joielechong/iso-country-flags-svg-collection) | 2026-08-26 | 90% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://plantuml.com) | 2026-08-20 | 60% (medium) |
| pricing.model | open_source | [link](https://plantuml.com) | 2026-08-20 | 60% (medium) |
| pricing.price_level | free | [link](https://plantuml.com) | 2026-08-20 | 60% (medium) |
| pricing.transparent | yes | [link](https://plantuml.com) | 2026-08-20 | 60% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=debian&package_name=iso-flags-svg&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=debian&package_name=iso-flags-svg&per_page=100) | 2026-08-26 | 90% (high) |

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