| Class | ProductBugTrackerWidget | Widget for selecting a product bug tracker. | 
| Class | LicenseWidget | A CheckBox widget with a custom template. | 
| Class | ProductNameWidget | A text input widget that looks like a url path component entry. | 
| Class | GhostMixin | A simple widget that has no HTML. | 
| Class | GhostWidget | Suppress the rendering of Text input fields. | 
| Class | GhostCheckBoxWidget | Suppress the rendering of Bool input fields. |