docassemble - docassemble is a free, open-source expert system for guided interviews and document assembly.

ginstr - ginstr is a business software that lets user create custom form-based apps for customers or employees to download, fill out, sign and return from any web device.

HotDocs - Template-driven, automated document & form assembly software

Launchcloud - Data collection & automation made simple.

Woodpecker - Legal document automation for solo & small firms. Simple to use, works in Word, connects to everything.

Forms Manager - Forms Manager is an online form of automation software that helps businesses build forms, manage workflows, and analyze real-time reports.