Simple Fields feature set can be extended with Extensions. Most common is Field Type Extensions in the shape of a plugin; you simply install a plugin and then you have access to for example another field type.
The concept of Extensions is new since version 1 of Simple Fields and therefore there are not so many out there yet.
Field Extensions are written using the Extensions API.
Existing Field Type Extensions
- Maps location by Earth People
Choose a place on a Google Maps.
No, these are not field extensions, but here’s a list of plugins that somehow modify or work very well with Simple Fields:
- Search Simple Fields
Set custom fields to apply the WordPress Search on.