I also used Sandcastle. We did a major migration to it in about 2010 (from a 3rd party MSHelp generator application -- I'm blanking on the name, which is a goo

I also used Sandcastle. We did a major migration to it in about 2010 (from a 3rd party MSHelp generator application -- I'm blanking on the name, which is a good thing, because I would only tell you to stay away from them)