addlicense
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Description:
Scan directories recursively to ensure source files have license headers
Type: Formula  |  Latest Version: 1.2.0@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: license compliance developer-tools cli
Install: brew install addlicense
About:
addlicense is a command-line utility that recursively scans directories to verify the presence of license headers in source files. It can check for existing headers and optionally insert them if they are missing. This tool helps maintain legal compliance and consistent copyright attribution across a codebase.
Key Features:
  • Recursively scans directories for source files
  • Checks for existing license headers
  • Supports inserting missing headers automatically
  • Configurable comment styles for various file types
Use Cases:
  • Enforcing license header compliance in open source projects
  • Automating copyright checks in CI/CD pipelines
  • Standardizing headers across a large, multi-language codebase
Alternatives:
  • licensecheck – A similar tool often used in the Go ecosystem for license header verification.
License: Apache-2.0
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Sep 13, 2025 9:16am 0 VERSION_BUMP c76c2ffa