Is there a SWAT model integration for QGIS?

I am trying to use SWAT (Soil and Water Assessment Tool) for watershed management activities.
It is a set of commandline tools and needs a complex set of input data some of which can be generated from DEMs.

There is a plugin available for ArcGIS and MapWindow which makes life easier. I want to know if there is any project/work going on to integrate SWAT with QGIS.

Or, is there any other soil and watershed modelling tool available for QGIS which can generate/estimate runoffs, sediment load, erosion vulnerability etc. from relevant input data like rainfall, slopes, stream network, soil type, land use etc.