Flask-WTF offers simple integration with WTForms.
The current version of Flask-WTF is 0.9.1.
View other versions of documentation at Read the Docs.
This part of the documentation, which is mostly prose, begins with some background information about Flask-WTF, then focuses on step-by-step instructions for getting the most out of Flask-WTF.
If you are looking for information on a specific function, class or method, this part of the documentation is for you.