I'm building a free alternative to SimpleCitizen (YC S16).

It's a free USCIS form-filling web-app(no Adobe required). USCIS forms still use XFA PDFs, which don’t let you edit in most browsers. Even with Adobe, fields break, and getting the signature is hard.

So I converted the PDF form into modern, browser-friendly web forms - and kept every field 1:1 with the original. You fill the form, submit it, and get the official USCIS PDF filled.

https://fillvisa.com/demo/

I found out simplecitizen offers a DIY plan for $529 (https://www.simplecitizen.com/pricing/)

So, a free (and local-only) version might be a good alternative