Hey awesome SatNOGS community 
We pushed some more details in SatNOGS client’s documentation and we migrated these docs under SatNOGS readthedocs page. In the updated docs you can find more information about the client’s architecture and specifics about the client’s modules.
I am also attaching here a general graphical overview of the main components that our client consists of:
Feel free to post any further questions in this thread in order to enhance the documentation with missing information. On top of that, if you feel confident with client’s design/codebase you can always submit a PR to the docs repo.