+@node Grand Unified Builder (GUB)
+@unnumberedsubsubsec Grand Unified Builder (GUB)
+
+Another item of interest might be the Grand Unified Builder, our
+cross-platform building tool. Since it is used by projects as
+well, it is not stored in our gub repository. For more info, see
+@uref{http://lilypond.org/gub}.
+
+There are two locations for this repository, which will hopefully
+be kept up-to-date with each other:
+
+@example
+@uref{http://github.com/janneke/gub}
+@uref{http://github.com/gperciva/gub}
+@end example
+
+
+@node yet more repositories
+@unnumberedsubsubsec yet more repositories