http://astronautlevel2.github.io/Luma3DS/ only server in existence that auto builds nightlys
I'm well aware of that, but TBH I don't really like the implementation. It's basically a script who pulls and build if there's a change.
While I appreciate the work of @astronautlevel and love his site, a real CI tool would be a much more "cleaner" way to handle this as it's specialized in this kind of tasks.