Top posters in a few Debian-related Planets:
$ planet-scores.sh Planet Debian-FR : 19 Raphaël Hertzog 4 Roland Mas 3 Jean-Christophe Dubacq 2 Grégory Colpart 2 Alexis Sukrieh
Sometimes I think this should be renamed Planet Buxy.
Planet Debian-FR (utilisateurs) : 10 Julien Candelier 8 Emilien Macchi 4 Guilhem Bonnefille 3 Shams Fantar 1 Raphaël Hertzog 1 Olivier Berger (perso) 1 Jean-Christophe Dubacq 1 Jean-Baptiste Hétier (djib) 1 Eric Veiras Galisson
Newly added contributors to that planet have all their recent articles aggregated, not only the ones they wrote since they were added.
Planet Debian : 40 Christian Perrier 2 Russell Coker 2 Raphael Geissert 1 Wouter Verhelst 1 Steve Kemp 1 Romain Francoise 1 NOKUBI Takatsugu 1 Michal Čihař 1 John Goerzen 1 Joey Schulze 1 Gerfried Fuchs 1 Fathi Boudra 1 Enrico Zini 1 Emanuele Rocca 1 Dirk Eddelbuettel 1 David Welton 1 Christine Spang 1 Antti-Juhani Kaijanaho 1 Adam Rosi-Kessel
Planet "Christian loves rugby".
debian-community.org : 4 Holger Levsen 3 Andrew Donnellan 2 Evgeni Golov 1 Wolfgang Lonien 1 Raphaël Hertzog 1 Martin Albisetti 1 Marcos Marado 1 Jean-Christophe Dubacq 1 Cord Beermann 1 Benjamin A'Lee 1 Andreas Putzo $
I know I have an encoding problem on some planets, but that script is a very basic curl+shell+sed+grep+recode+sort+uniq pipeline, and I only use it for the amusement value. Maybe I'll recode it with a proper RSS parser some day if I feel utterly bored.