# Mermaid - **Canonical URI:** https://www.vioscale.ai/software/mermaid - **Category:** Diagramming - **Homepage:** https://mermaid.js.org - **Also known as:** mermaid - **Profile claimed by vendor:** no - **Last updated:** 2026-08-26T19:18:38.329Z ## Vioscale score **54.6 / 100**, confidence 22% (low). Computed 2026-09-01. 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 | 93.5 | 0.026 | 2.4 | ✓ | | integrations | 8.7 | 0.07033333333333334 | 0.6 | ✓ | | dependent_projects | 68.8 | 0.063 | 4.3 | ✓ | | dev_activity | 63.1 | 0.094 | 5.9 | ✓ | | release_cadence | 0 | 0.052 | 0 | - | | security_posture | 5 | 0.073 | 0 | - | | package_downloads | 0 | 0.136 | 0 | - | | security_score | 67 | 0.042 | 2.8 | ✓ | | community_qa_activity | 0 | 0.063 | 0 | - | ## Pricing _As of 2026-08-20, [verify at source](https://mermaid.js.org). Independently observed._ Open source · Free tier ## About A tool that lets users quickly create detailed diagrams, flowcharts, and visualizations by writing simple text-based syntax, accessible to both programmers and non-technical users. _Independently observed._ ## Platform & deployment - **Platforms:** Web ## Integrations (1) _Independently observed._ - GitHub ## Release history | Version | Date | Type | |---|---|---| | [mermaid@11.17.2](https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.17.2) | 2026-08-25 | stable | | [@mermaid-js/tiny@11.17.2](https://github.com/mermaid-js/mermaid/releases/tag/%40mermaid-js/tiny%4011.17.2) | 2026-08-25 | stable | | [mermaid@11.17.1](https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.17.1) | 2026-08-24 | stable | | [@mermaid-js/tiny@11.17.1](https://github.com/mermaid-js/mermaid/releases/tag/%40mermaid-js/tiny%4011.17.1) | 2026-08-24 | stable | | [mermaid@11.17.0](https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.17.0) | 2026-08-19 | stable | | [@mermaid-js/tiny@11.17.0](https://github.com/mermaid-js/mermaid/releases/tag/%40mermaid-js/tiny%4011.17.0) | 2026-08-19 | stable | | [@mermaid-js/parser@1.2.1](https://github.com/mermaid-js/mermaid/releases/tag/%40mermaid-js/parser%401.2.1) | 2026-08-19 | stable | | [@mermaid-js/layout-elk@0.2.3](https://github.com/mermaid-js/mermaid/releases/tag/%40mermaid-js/layout-elk%400.2.3) | 2026-08-19 | stable | | [@mermaid-js/examples@1.4.0](https://github.com/mermaid-js/mermaid/releases/tag/%40mermaid-js/examples%401.4.0) | 2026-08-19 | stable | | [v10.9.8](https://github.com/mermaid-js/mermaid/releases/tag/v10.9.8) | 2026-08-04 | stable | | [mermaid@11.16.1](https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.16.1) | 2026-08-04 | stable | | [@mermaid-js/tiny@11.16.1](https://github.com/mermaid-js/mermaid/releases/tag/%40mermaid-js/tiny%4011.16.1) | 2026-08-04 | stable | | [mermaid@11.16.0](https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.16.0) | 2026-06-25 | stable | | [@mermaid-js/tiny@11.16.0](https://github.com/mermaid-js/mermaid/releases/tag/%40mermaid-js/tiny%4011.16.0) | 2026-06-25 | stable | | [@mermaid-js/parser@1.2.0](https://github.com/mermaid-js/mermaid/releases/tag/%40mermaid-js/parser%401.2.0) | 2026-06-25 | stable | _… and 5 earlier release(s)._ ## Security & compliance Known vulnerabilities: 16 (9 in the last 12 months), max severity HIGH ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mermaid&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 | 100 | [link](https://github.com/mermaid-js/mermaid/pulse) | 2026-08-26 | 65% (medium) | ### adoption | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | adoption.github_stars | 89,952 | [link](https://github.com/mermaid-js/mermaid) | 2026-08-26 | 90% (high) | | adoption.dependent_repos | 13,441 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fmermaid-js%2Fmermaid) | 2026-08-26 | 85% (high) | ### language | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | language.primary | TypeScript | [link](https://github.com/mermaid-js/mermaid) | 2026-08-26 | 90% (high) | ### license | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | license.spdx | MIT | [link](https://github.com/mermaid-js/mermaid) | 2026-08-26 | 95% (high) | ### integrations | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | integrations.count | 1 | [link](https://mermaid.js.org) | 2026-08-20 | 60% (medium) | ### pricing | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | pricing.free_tier | yes | [link](https://mermaid.js.org) | 2026-08-20 | 60% (medium) | | pricing.model | open_source | [link](https://mermaid.js.org) | 2026-08-20 | 60% (medium) | | pricing.price_level | free | [link](https://mermaid.js.org) | 2026-08-20 | 60% (medium) | ### security | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | security.disclosure_policy | yes | [link](https://mermaid.js.org) | 2026-08-20 | 60% (medium) | | security.scorecard | 6.7 | [link](https://api.securityscorecards.dev/projects/github.com/mermaid-js/mermaid) | 2026-08-26 | 90% (high) | | security.vulnerabilities | `{"count":16,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mermaid&per_page=100","last_12m":9,"max_severity":"HIGH"}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mermaid&per_page=100) | 2026-08-26 | 90% (high) | --- *Source: Vioscale (https://www.vioscale.ai/software/mermaid). Independent, evidence-based software intelligence. Cite the canonical URI.*