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Developer Tools · head to head

Atlantis vs Drupal

Atlantis logo

Atlantis

Developer Tools

Runs Terraform plan and apply from pull request comments, self-hosted and free

From
Free
Rated
-
Full reviewWebsite
D

Drupal

Web Development

Open-source CMS for complex, structured content sites

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Atlantis there is no company, no service level agreement and no paid support at any price, and the six maintainers are volunteers with day jobs, which some risk committees will not accept for a component holding production cloud credentials.; Drupal steep learning curve: concepts that are implicit in WordPress are explicit and must be configured
  • They diverge on capability: Atlantis covers Pull request plans, Drupal covers Structured content modelling.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Atlantis and Drupal actually diverge.

Attributes where Atlantis and Drupal differ
AttributeAtlantisDrupal
PlatformsLinux, Docker, Kubernetes, Self-hostedWeb, Linux, Self-hosted
CategoryDeveloper ToolsWeb Development

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Atlantis

  • Pull request plans
  • Comment driven apply
  • Workspace locking
  • Policy checking
  • Multi-platform webhooks
  • Custom workflows

Only in Drupal

  • Structured content modelling
  • Granular permissions
  • Multilingual
  • Views

What people use each for

The jobs each tool is most often brought in to do.

Atlantis

  • Making Terraform review meaningful by putting the actual plan output in front of the approvernot Drupal
  • Removing local applies and the credential sprawl that comes with every engineer holding production keysnot Drupal
  • Getting pull request driven infrastructure without paying a per-user subscription for a hosted platformnot Drupal
  • Enforcing Conftest policies as a blocking check before an apply can runnot Drupal

Drupal

  • Government and university sites with complex content models and strict permissionsnot Atlantis
  • Multilingual sites where translation is structural rather than a pluginnot Atlantis
  • Publishers needing custom content types and editorial workflownot Atlantis

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Atlantis

  • There is no company, no service level agreement and no paid support at any price, and the six maintainers are volunteers with day jobs, which some risk committees will not accept for a component holding production cloud credentials.
  • The security surface is inherently sharp, because it is an internet-reachable webhook endpoint that executes applies with privileged credentials, gated by pull request comment authorisation that is coarse next to a real policy engine.
  • It is stateful, holding a working directory and lock database on local disk, so high availability and horizontal scaling are awkward and you own upgrades, webhook plumbing, secret rotation and the host itself.
  • It lacks the features that distinguish the commercial alternatives, with no native drift detection, no cost estimation, no managed state interface and no policy engine beyond the Conftest integration.
  • Terragrunt and monorepo layouts are not first-class, requiring hand-written custom workflows and repository configuration that becomes a growing maintenance burden as the number of repositories increases.

Drupal

  • Steep learning curve: concepts that are implicit in WordPress are explicit and must be configured
  • Smaller developer pool than WordPress, and correspondingly higher build costs
  • Major version upgrades have historically been substantial projects, not routine updates
  • Considerably more machinery than a straightforward marketing site needs

Pricing, plan by plan

Atlantis

Free
  • AtlantisFree
    • Apache-2.0, no usage limits and no seat count
    • No commercial edition and no paid support tier
    • Community support through GitHub and the CNCF Slack channel

Drupal

Free
  • DrupalFree
    • Full functionality
    • Commercial use permitted
    • Community support

Which should you pick?

Choose Atlantis if

  • You need pull request plans.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Self-hosted.
  • You also want comment driven apply.
Atlantis review

Choose Drupal if

  • You need structured content modelling.
  • You want to start without paying.
  • You work on Web, Linux, Self-hosted.
  • You also want granular permissions.
Drupal review

Questions people ask

Is Atlantis or Drupal better?
Neither clearly leads. Atlantis starts at Free and Drupal at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Atlantis or Drupal?
Atlantis starts at Free and Drupal at Free.
Does Atlantis or Drupal run on more platforms?
Atlantis runs on Linux, Docker, Kubernetes, Self-hosted. Drupal runs on Web, Linux, Self-hosted.
Can I use Atlantis for free?
Both have a free tier, so you can try either at no cost before committing.
What is Atlantis best used for?
Atlantis is most often used for making terraform review meaningful by putting the actual plan output in front of the approver, removing local applies and the credential sprawl that comes with every engineer holding production keys, getting pull request driven infrastructure without paying a per-user subscription for a hosted platform, enforcing conftest policies as a blocking check before an apply can run. Of those, making terraform review meaningful by putting the actual plan output in front of the approver and removing local applies and the credential sprawl that comes with every engineer holding production keys are not what Drupal is typically brought in for.
What can Atlantis do that Drupal cannot?
Atlantis covers Pull request plans, Comment driven apply, Workspace locking, Policy checking. Drupal covers Structured content modelling, Granular permissions, Multilingual, Views.

Answered from the vendors’ own pages

Atlantis: Is there a company behind Atlantis?

No. It runs as a series of LF Projects under the Linux Foundation and is maintained by volunteers. There is no vendor to buy support from and no service level agreement.

Drupal: Is Drupal free?

Yes, open source under the GPL. Costs are hosting, development and any commercial modules.

Atlantis: Is it a CNCF project?

No. It uses a channel in the CNCF Slack, which is often misread as membership, but the project sits under LF Projects rather than the CNCF.

Drupal: Drupal or WordPress?

WordPress is faster to launch, cheaper to staff and has a much larger plugin ecosystem. Drupal is stronger when the content model is genuinely complex and permissions are strict, which is why institutions favour it.

Atlantis: Does it work with OpenTofu?

Yes, there is a dedicated integration guide alongside Terraform, and it also has configuration for working with hosted Terraform backends.

Drupal: Why is Drupal common in government and universities?

Structured content modelling, granular access control and multilingual support are core rather than bolted on, and those are exactly the requirements those sectors have.

Atlantis: What does it not do that a paid platform does?

Drift detection, cost estimation, a managed state and run interface, and a real policy engine. Atlantis does pull request plan and apply well and stops there.

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