“OpenTofu Project was recently made aware of a letter by HashiCorp’s lawyers, alleging that OpenTofu was not respecting the terms of its BSL license governing its Terraform codebase.

OpenTofu vehemently disagrees with any suggestion that it misappropriated, mis-sourced, or otherwise misused HashiCorp’s BSL code.

Indeed, it seems that HashiCorp may be conflating code that it had previously been open-sourced under the MPL and more recently developed code it published under the BSL.

OpenTofu’s maintainers have investigated this matter, and intends to issue a written response providing a more detailed explanation of its position in the coming days.”