When deploying a Git repository on Vercel, you have the option to "Import Third-Party Git Repository" which allows you to connect repositories that aren't directly available through your connected Git provider accounts 12.

Here's how to import a third-party Git repository:

1. Go to your Vercel dashboard
2. Click the "New Project" button in the top right corner
3. In the Git repository selection screen, you'll see a list of repositories from your connected Git account
4. At the bottom of this section, click on "Import Third-Party Git Repository"
5. Enter the details of the repository you want to import
6. Configure your project settings (name, framework preset, root directory, build settings, environment variables)
7. Click "Deploy" to initiate the deployment

This option is particularly useful when you want to deploy a repository that:

• Is from a Git provider you haven't connected to Vercel
• Is hosted on a custom Git server
• Requires special access credentials

After importing, Vercel will create a new project based on the repository and deploy it according to your configuration settings.