Too late to edit, but wanted to ask the question directly: can anyone recommend a static site generator or CMS plugin that adds this functionality to a content-

Too late to edit, but wanted to ask the question directly: can anyone recommend a static site generator or CMS plugin that adds this functionality to a content-driven site? Anything/any generator or CMS is fine, I'm in the "poking around" phase of getting ideas. It would be for small-scale usage, on the order of a team annotating and discussing simple web content with basic text.