This one could be interesting in the context of the multiple wikis
scenario, where they could all aggregate in a single site. But alas,
it only supports asciidoc.

service/documentation.md

@@ -558,6 +558,8 @@ Staff hours, hosting costs shadowed by GitLab.
 ### Static site generators
 
  * [11ty](https://www.11ty.dev/): [picked by mozilla](https://hacks.mozilla.org/2020/10/to-eleventy-and-beyond/), javascript
+ * [antora](https://antora.org/): used by the Emacs [projectile](https://docs.projectile.mx/projectile/) project, multiple
+   project support, asciidoc, javascript
  * [hugo](https://gohugo.io/): golang
  * [ikiwiki][]: previously used, old, Perl, hard to setup, occult   templating system, slow
  * [lektor](https://www.getlektor.com/): used at Tor for other public websites