Is there an alternative to Adobe Live Cycle for developing fillable forms?

It is a form that is posted on our network that departments can download.  It is used to order printing for our in-plant print shop.  They fill it out and click on a "Submit by Email" button at the bottom.  It is designed in such a way that if all the "required" information is not filled out, a red box appears around the field that is missing.  The file comes to me as a .xml file and I import it into the fillable form, assign it a number and send a copy back to the ordering department.  I can then save the form to our computer as a pdf for tracking purposes.

It is a pdf form with multiple text fields, check boxes and two drop down "Date" fields.  I developed it years ago in Live Cycle and now it needs to be edited. It tried editing in Acrobat but it does not work.