We have some projects related to Pivot, hosted at Apache-Extras.
JFreeChart Provider , containing JFreeChart provider for Pivot
Pivot-Common , containing some general purpose and useful code
Pivot-Contrib , containing code by external contributors
Pivot-Multilang , containing code to simplify/improve interaction with other JVM languages (Groovy, Scala, etc), and related samples
Pivot-Stuff , containing various stuff
you can find others by searching with pivot-* there.