WikiRiver
WikiRiver is a community based site with guides, live water levels and maps of whitewater rivers in Australia.
Unknown
The following projects do not state how they license their content (or we did not find it).
It means the content may be free to consume, but it's not clear what else you can do with it. Namely, it is not clear if and how you are allowed to re-distribute or re-use it elsewhere.
river.guide
Self-Description:
Hallo ihr furchtlosen Stürzer und verträumten Gleiter, ihr Bigwater-Freaks und Staudenrauscher, ihr Expeditionisten und Hausbachfetischisten,
kajaktour.de
Self-Description:
Im Mittelpunkt meiner privaten Kajakwildwasser-Website stehen Informationen zu bekannten und weniger bekannten mittelschweren Flüssen in Europa. Ergänzend hierzu werden von mir aber auch etliche leichtere und einige schwerere Flüsse dokumentiert.
RiverGuide
The RiverGuide is an evolving guide book for all of New Zealand's water related activities.
AllAboutRivers.com
AllAboutRivers.com was launched in 1999 and was the first online river guidebook in the world.