GitHub issue forms is a colletion of ready to use issue forms for your open-source project hosted on GitHub.
With issue forms, you can create issue templates that have customizable web form fields. You can encourage contributors to include specific, structured information by using issue forms in your repository. Issue forms are written in YAML using the GitHub form schema. For more information on issue form visit GitHub official documentation
Note: Issue forms are currently in beta for public repositories on GitHub.com only.
You may find different type of forms inside the github/ISSUE_TEMPLATE/ which you can use for your own open-source project. Or use this form to contribute to others open-source project that is has not yet setup an issue form.