The Cardano development team use Github as their version control system. It’s publicly available and is the standard way that all open source projects like Cardano manage their code base.
As part of that we get to see how hard they are working. Once again they’ve got the number one spot amongst all Crypto Projects for the number of commits (more than 3700 this week).
This is a regular occurrence and no doubt we will see that maintained given the new capabilities for Cardano they have planned.