GitGuardian - Detect secrets in source code, public and private!
Gitrob - Command line tool that finds sensitive information in your GitHub repositories
Cremit - Effortless Non-Human Identity Security with Cremit.
Yelp's detect-secrets - detect-secrets is an aptly named module for (surprise, surprise) detecting secrets within a code base.
Vulnerabilities.io - Vulnerability identification and management in one place - a cost-effective developer friendly platform for managing vulnerabilities
Gitleaks - Audit git repos for secrets. Gitleaks provides a way for you to find unencrypted secrets and other unwanted data types in git source code repositories. As part of it's core functionality, it provides;