DeepSpark: where to start

[Joice Joy]

I am trying to find info on deepspark. I read the article on databricks
blog which doesnt mention a git repo but does say its open source.
Help me find the git repo for this. I found two and not sure which one is
the databricks deepspark:
https://github.com/deepspark/deepspark
https://github.com/nearbydelta/deepspark