There are 2 repositories under kms-activator topic.
一键搭建kms激活服务端&&Windows客户端一键激活脚本
MSOffice365 via Office Deployment Tool + KMS
Activate your windows 10 with many methods.
Open-source Windows KMS activator. Just for research only.
The Windows 10 with build 1609 and afterward cant be activated by KMS activator so you can use this