Core
Extension to run scripts to validate settings/logs, etc
More docs: Extension details
Ansible
Extension to run ansible playbooks as check source
More docs: Extension details
Metadata
Extension to run scripts to gather metadata
More docs: Extension details
Faraday
Extension to compare positive/negative affinities files across sosreports
More docs: Faraday Extension details and Faraday Exec Extension details
Winston
Extension for getting metadata out of file contents
More docs: Extension details