This site is related to a few other ones. They will be part of a project regarding participation planning for small groups.
mumsplan
mamsplan
mumplan
planpainter
planproducer
participantlist
plandan
planale
planane
weekm
emocal
whoparticipates
wimeet
nimmteil (.de)
nimmteil (.com)
nimmteil (.ch)
wernimmtteil
debii