Terraform vs. OpenTofu: A Comprehensive Comparison

Terraform and OpenTofu are both declarative Infrastructure as Code (IaC) tools that allow developers to provision infrastructure using a declarative coding language, similar to how Prisma provisions database tables. The primary distinction between the two lies in their licensing: Terraform's commercial developer, HashiCorp, shifted from an open-source Mozilla Public License to a Business Source License in 2023, which restricts the commercial use of its software, while OpenTofu remains under the open-source MPL 2.0 license. This shift led to OpenTofu becoming a popular alternative for those seeking an open-source solution, as it maintains feature parity with Terraform and can even use Terraform providers. Despite minor differences, OpenTofu is considered a "drop-in replacement" for Terraform, and both tools are supported by major IaC products. The licensing change by HashiCorp reflects a broader trend of open-source projects adopting more restrictive licenses to protect against competitive commercial distributions, a move that has seen mixed reactions within the developer community.

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