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

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