fossil (http://www.fossil-scm.org http://www.fossil-scm.org) together with pagedown (https://chiselapp.com/user/zot/repository/fossil-pagedown https://chiselapp

fossil (http://www.fossil-scm.org http://www.fossil-scm.org) together with pagedown (https://chiselapp.com/user/zot/repository/fossil-pagedown https://chiselapp.com/user/zot/repository/fossil-pagedown) would seem to fit this use case rather well. You can manage wiki data either in .wiki files or using the browser-based bare bones editor.