Unfortunately, it was only affordable because those organizations only needed it to last for about a month. Finally I found out that GitLab Pages builds in an end-user-friendly editor. Not as extensive as Forestry, but for some sites, it doesn't need to be. And also unlike Forestry, it doesn't break the bank, because it's free. When someone attempts to edit the website, it's submitted to the GitLab repository as a pull request.
A way to access the Fediverse, for attendees of Penguicon, an annual convention of science fiction, open source software, and all geeky interests, in Southfield, Michigan, USA.
Convention info: https://penguicon.org