Rethink entire integration with Form Tools. Make this tool the defacto way to create forms - not just "form builder" (published forms)
No popup! Bloomin' nora.
Way to actually use the tool to BUILD the form: add, remove fields, sections, etc. etc. Basically a nicer way than having to use the Edit Form -> Fields + Views pages. Two ways to do this...? Yuck.
Code
The whole codebase needs to be rethought. The overall design is okay - being able to fine-tune everything in incredible, but the code is a bloody mess.
Notes/ideas for the Form Builder rewrite.
Code