Top 2 alternative sites to soilexplorer.net
GoTo Trails - Connecting Trails, People and Places
GoTo Trails is an interactive website that intergrates multiple technologies including GIS cloud applications to create a digital map gallery, whiteboard and public forum for exploring, sharing and collaborating on the development, management and use of multi-purpose trails.
Some websites with similar theme to soilexplorer.net include:
Sigale - Groupe Altus