EnviousStarfish54 first of all, thanks for taking the time to explore our enterprise offering.

1. Indeed Trains is completely standalone. The enterprise offering adds the necessary infrastructure for end-to-end integration etc. with a huge emphasis on computer vision related R&D.
2. The data versioning is actually more than just data versioning because it adds an additional abstraction over the "dataset" concept, well this is something that the marketing guys should talk about... unless you want to hear more about how I view it - and just DM me here or on twitter https://twitter.com/LSTMeow