Depends entirely on what you interested in building, but these are worked on fantastic Go engineers and architects: https://github.com/hashicorp https://github

Depends entirely on what you interested in building, but these are worked on fantastic Go engineers and architects: https://github.com/hashicorp https://github.com/hashicorp https://github.com/coreos/ https://github.com/coreos/ https://github.com/kubernetes https://github.com/kubernetes