I have a few plugins to DFFS. All but the vLookup plugin will work for SP2007 as well as SP2010 and SP2013.
This solution lets you create relationships between two or more lists or document libraries based a lookup column connection or a keyword in a field in the child item that matches a value in the parent item.
You can list the connected children in the parent element, something that is not possible out of the box in SharePoint.
This solution also lets you create new children directly from the parent element, and it will auto-populate the “connection” to the parent element, as well as prefilling other fields based on values from the parent element.
This solution lets you convert multiple single line text fields into cascading dropdowns populated by a query into another list that holds the data. You can have as many levels of dropdown as you like, and all you need to do is to add a custom list containing the data source.
This solution will let you prevent double booking of resources like people, meeting rooms or whatever you like from a single choice column in SharePoint. You can also restrict the time ranges for each day of the week, and the date ranged for when the resources are available.
This is not a “proper” plug in as i does not have a graphical configuration in the DFFS solution.
This solution is used to convert a textarea into an autocomplete lookup in an other list. You can also use it to convert a people picker in SP2007 or SP2010 into an autocomplete control. The reason this is not supported in SP2013 is because you already have this feature built-in.
This solution is used to convert a single line of text field into a dropdown select. The options for this select is the result of a query you build in the function call. You can use it to query any list within the same site collection. You have an option to add new values to the “lookup list” on the fly, or to enter a value free hand.