Is Audius open source?

I'm curious to know, is Audius an open source platform? I understand that many blockchain projects embrace open source principles to foster collaboration and transparency, so I'm interested in understanding if Audius follows suit. Can you provide some insight into the project's approach to open source and any potential benefits or drawbacks associated with it? Additionally, if Audius is indeed open source, where can I find the code repository and how active is the community in contributing to it?