Since our apt source is located on Github, the link you see is actually this https://github.com/respeaker/deb.
[size=150]Let me first state that we are 100% compliant with the GPL open-source software protocol.
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For the source code you mentioned, you can find all the source code here. https://github.com/respeaker/rk-linux-develop and https://github.com/respeaker/deb_repos