SpatiaLite is playing an increasing role in my organization. As it stands now, using SpatiaLite alongside ArcGIS Desktop requires an amount of importing and exporting of data that isn't always trivial. Outside of products such as the Data Interoperability Extension or FME, what other options, if any, are there for SpatiaLite support in ArcGIS Desktop?

SpatiaLite is playing an increasing role in my organization. 

As it stood in 2012, using SpatiaLite alongside ArcGIS Desktop required an amount of importing and exporting of data that was not always trivial. 

Outside of products such as the Data Interoperability Extension or FME, what other options are there for SpatiaLite support in ArcGIS for Desktop?