Yup! etcd [0] and hashicorp [1] have Raft libraries for Go. I've written about using the hashicorp one before [2, 3].

[0] https://pkg.go.dev/go.etcd.io/etcd/raft/v3

[1] https://github.com/hashicorp/raft

[2] https://notes.eatonphil.com/distributed-postgres.html

[3] https://notes.eatonphil.com/minimal-key-value-store-with-has...