I have no experience with Salt in a multi-server environment, but it feels speedy and is easy to customize. Lots of batteries are also included, which is why I

I have no experience with Salt in a multi-server environment, but it feels speedy and is easy to customize. Lots of batteries are also included, which is why I picked it over Ansible. The best thing about it for me was the simplicity of storing the configuration -- a bunch of YAML/JSON files that can even be synced over Dropbox/S3 if you want.