Chembench is a web-based tool for QSAR (Quantitative Structure-Activity Relationship) modeling and prediction. Chembench doesn't require any programming or scripting knowledge to use. It's an interface that lets you skip past the hassles of file management and translating between programs, so you can focus on the science of making and applying predictive models. DOI.
It includes models/datasets for things like brain penetration, PGP, AMES, skin penetration etc. you can use the existing models or build your own and than evaluate novel compounds.