# brew tap > Tap a Homebrew formula repository. If no arguments are provided, list all installed Homebrew taps. > More information: . - List installed Homebrew taps: `brew tap` - Tap a Git repository hosted on GitHub: `brew tap {{github_username}}/{{github_repository_name}}` - Tap a Git repository hosted outside of GitHub: `brew tap {{username}}/{{repository_name}} {{git_clone_url}}` - Tap a repository hosted on GitLab: `brew tap {{username}}/{{repository_name}} https://gitlab.com/{{username}}/{{repository_name}}.git` - Display help: `brew tap {{[-h|--help]}}`