Erick Gallesio and Manuel Serrano implemented Skribe,
http://www.inria.fr/mimosa/fp/Skribe .

Skribilo is based upon Skribe 1.2d and re-uses a large body of code
written for Skribe by Erick and Manuel.  The port to Skribe and
several enhancements were implemented by Ludovic Courtès.

You can contact me at `ludovic.courtes@laas.fr'.