Fieldtypes that start with the letter J, run on ExpressionEngine 1, run on ExpressionEngine 2, are Free and are sorted alphabetically by Title.
Simple EE2 only URL fieldtype checking the validity (syntax / headers) of the entered URL. WIll not submit the entry if there is a problem with the submitted URL.
Allows you to display a dynamic category checkbox tree as a standalone fieldtype.
In addition to being damn sexy, this also allows you to use categories that are not formerly assigned to the channel.
A fieldtype that shows the data of another fieldtype as read-only text.
A simple fieldtype that makes it easy to add a currency to a field, for example, to add a "price" to a channel entry.