Xmind - Xmind is a brainstorming and mind mapping application.
docassemble - docassemble is a free, open-source expert system for guided interviews and document assembly.
Visual Understanding Environment - Visual Understanding Environment (VUE) is a mind-mapping and concept-mapping tool.
Knackly - Generate contracts, emails, or other documents of any complexity by automating your knack for doing...
yEd - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.
HotDocs - Template-driven, automated document & form assembly software