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Brakeman vs Semgrep: catalog facts
Brakeman	Semgrep
Free Free to use.	Freemium The community scanning engine is free. Commercial platform features are separate.
Command line	macOS, Linux, Command line
Built specifically for Rails patterns and conventions Works without configuration	Runs custom or shared rules in development workflows.
Only scans Ruby on Rails applications Static analysis can report false positives	Rule quality and language support affect what it can detect.
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: LGPL-2.1
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.