Any Libre (& community-maintained) Alternatives for Ansible/TerraForm

Ansible is already GPL 3.0, what are you looking to do specifically that Ansible doesn't do?

Or do you just not like the way it works?

NixOS?

algernon ducks and runs, fast

OpenTofu is open source terraform alternative. It is fork of terraform before they abandoned open source. https://opentofu.org/ It is very active, have been using it for last year. It is backed by Linux Foundation.