GitGuardian - Detect secrets in source code, public and private!
AquilaX - GenAI Software Security
Gitrob - Command line tool that finds sensitive information in your GitHub repositories
Cremit - Effortless Non-Human Identity Security with Cremit.
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;
repo-security-scanner - CLI tool that finds secrets accidentally committed to a git repo, eg passwords, private keys - UKHomeOffice/repo-security-scanner