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OpenTofu

iScore70–83 · #4/4
opentofu.org · Infrastructure as code
SEPT 2026 audit

Community-driven fork of Terraform under Linux Foundation stewardship, free to use with no managed tier and no vendor.

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Entry paid planNone. OpenTofu is the tool rather than a platform: there is nothing to buy, no hosted state and no vendor to bill you — which is the reason the other three in this category exist.
Free tierYes
CategoryInfrastructure as code

Updated 7 criteria comparedSources last checked

01.Evaluation guide

Who it suits

Not having a vendor. OpenTofu is a drop-in replacement for Terraform held by the Linux Foundation specifically so a licence change cannot happen to it again — free, self-hosted, with providers and modules from its own registry.

Consider something else if…

Somebody has to answer for who changed what. There is no account, so there is no audit trail and no SSO — access control is whatever your CI and state backend enforce, which is exactly the gap the other three sell into.

Editorial · Palash Bagchi · approved

Each value below links to the page it was read from, with the sentence it came from. Criteria OpenTofu does not publish are not listed.

Pricing
4 criteria
Free tierYes
Sources (1) →
  • OpenTofu ↗

    “infrastructure as code tool under the Linux Foundation's stewardship. It serves as a drop-in replacement for Terraform, preserving your existing workflows”

    Read 2026-09-15 · official site

What the free plan includesEverything, with no account. Providers and modules come from the OpenTofu Registry, and the project states an aim of feature parity with Terraform for future releases.
Sources (1) →
  • OpenTofu ↗

    “Where can I find providers and modules for OpenTofu? The OpenTofu Registry host”

    Read 2026-09-15 · official site

Entry paid planNone. OpenTofu is the tool rather than a platform: there is nothing to buy, no hosted state and no vendor to bill you — which is the reason the other three in this category exist.
Sources (1) →
  • OpenTofu ↗

    “It serves as a drop-in replacement for Terraform, preserving your existing workflows”

    Read 2026-09-15 · official site

Pricing modelNothing is metered because nothing is sold. Governance rather than price is the pitch: the project is held by the Linux Foundation specifically so a licence change cannot happen to it again.
Sources (1) →
  • OpenTofu ↗

    “This risk is minimized by giving OpenTofu to the Linux Foundation, and OpenTofu's aim of maintaining feature parity with Terraform for future releases reduces the te”

    Read 2026-09-15 · official site

Observability
1 criteria
Self-hostableSupported
Sources (1) →
  • OpenTofu ↗

    “community-driven infrastructure as code tool under the Linux Foundation's stewardship”

    Read 2026-09-15 · official site

Auth
2 criteria
SAML single sign-onNot supported — No account and no directory to federate with; access control is your own CI and state backend
Sources (1) →
  • OpenTofu ↗

    “community-driven infrastructure as code tool under the Linux Foundation's stewardship”

    Read 2026-09-15 · official site

Audit logsNone, and there cannot be: OpenTofu is a binary you run, with no account, no hosted state and no service to keep a trail of. What a platform sells is partly this.
Sources (1) →
  • OpenTofu ↗

    “It serves as a drop-in replacement for Terraform, preserving your existing workflows”

    Read 2026-09-15 · official site

When these numbers change, hear about it. Sources are re-checked monthly; a repricing goes out as a short note.

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Every page here is sourced and dated.