TF modules for Proxmox built on top of bpg's provider: https://registry.terraform.io/providers/bpg/proxmox/latest
Relatively stable for a standard/basic use case.
DacoDev/terraform-module-proxmox-lxc
TF modules for Proxmox built on top of bgp's provider: https://registry.terraform.io/providers/bpg/proxmox/latest
HCLMIT