Talos is amaaaaazing, strictly built to run kubernetes. We use it at work and its running in production for a lot of people. Check this out for a quick nice taste of why one should consider usong Talos >>

[60sec video from Sidero Labs, creators of Talos] www.youtube.com/watch?v=UiJYaU16rYU

Talos is under MPL 2.0, afaik that is open-source.