These are all PDF forms, but you can request large print or alternate formats directly from the DOR. You can search for a form by category. If you need additional information about forms, you may call their Tax Department line
Here you can find FAQs, Tax Guides, Telephone Numbers and a link to find a Tax Preparer. Although the State is clearly oriented towards doing things online or by phone, a list of offices with map can be found at the bottom of the page.
State taxes are completely different than Federal and online filing options are different, too. Here is a list of approved software and e-filing options according to the DOR.