DocGen - Static website generator
docassemble - docassemble is a free, open-source expert system for guided interviews and document assembly.
openSourceCM - Web-based legal document processing and contract management
Knackly - Generate contracts, emails, or other documents of any complexity by automating your knack for doing...
LogicalDOC - A document management system such as LogicalDOC can help your organization better manage business processes and put order in the chaos of documents every day run your business.
HotDocs - Template-driven, automated document & form assembly software