Terraform: The 44k-Star IaC Tool That Went Source-Available and Spawned OpenTofu — A License Fork Deep Dive
Terraform defined infrastructure-as-code under MPL 2.0 for nine years. Then in August 2023 HashiCorp switched it to the Business Source License, and the community forked it into OpenTofu under the Linux Foundation. This deep dive covers the BSL change, the fork, HCL compatibility, state encryption, the IBM acquisition, real costs, and how to choose in 2026.