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Horn

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Horn

Free

Open-source; MIT / Apache 2.0 License

Every plan, in full

On the record

Browser and Node
The getting-started guide says Horn can run in a browser or Node.js through its WebAssembly npm package.horn.report · read 13 Oct 2026
Browser and Node.js
The getting-started guide says Horn can be used in a browser or Node.js through its WebAssembly npm package.horn.report · read 12 Oct 2026
CI/CD
Horn provides a GitHub Action that can automatically upload SARIF results to GitHub Code Scanning.github.com · read 13 Oct 2026
CI output
Horn supports SARIF, JUnit XML, and JSON output for CI/CD workflows.horn.report · read 12 Oct 2026
CLI platforms
The getting-started guide lists prebuilt CLI binaries for macOS, Linux, and Windows.horn.report · read 12 Oct 2026
Company details
The homepage credits Horn Contributors and gives copyright as 2025-present; it does not state a headquarters or founding date.horn.report · read 13 Oct 2026
Custom checks
The homepage says developers can add custom checks using Horn's Check trait.horn.report · read 13 Oct 2026
Deployment
The getting-started guide documents installation from source and Docker usage.horn.report · read 13 Oct 2026
Desktop platforms
The getting-started guide lists desktop downloads for macOS, Windows, and Linux.horn.report · read 12 Oct 2026
Docker
The getting-started guide provides instructions to build and run Horn in Docker.horn.report · read 12 Oct 2026
Extensibility
The homepage says developers can add custom checks with Horn's Check trait.horn.report · read 12 Oct 2026
GitHub Action
The GitHub Action can automatically upload SARIF results to GitHub Code Scanning.github.com · read 12 Oct 2026
Installation requirement
Installing Horn from source requires Rust 1.85 or later and edition 2024.horn.report · read 12 Oct 2026
Integrations
The repository documents GitHub Actions and GitLab CI examples, as well as SARIF output for GitHub Code Scanning.github.com · read 13 Oct 2026
License
The homepage states that Horn is released under the MIT / Apache 2.0 License.horn.report · read 13 Oct 2026
PDF/UA-2
The product repository says Horn also validates PDF/UA-2 documents and applies 37 PDF/UA-2-specific rules.github.com · read 13 Oct 2026
Performance
The homepage states that Horn processes 500+ PDFs per second with parallel processing.horn.report · read 13 Oct 2026
Product
Horn is an open-source PDF/UA checker based on the Matterhorn Protocol.horn.report · read 12 Oct 2026

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