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Developer Tools · head to head

Atlantis vs Eclipse

Atlantis logo

Atlantis

Developer Tools

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

From
Free
Rated
-
Full reviewWebsite
Eclipse logo

Eclipse

Technology

The Eclipse Foundation - home to a global community

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.; Eclipse high memory consumption and CPU usage, especially with multiple plugins installed
  • They diverge on capability: Atlantis covers Pull request plans, Eclipse covers Java development environment.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Atlantis and Eclipse actually diverge.

Attributes where Atlantis and Eclipse differ
AttributeAtlantisEclipse
Pricing modelOpen source, no licence feeUnknown
PlatformsLinux, Docker, Kubernetes, Self-hostedWindows, macOS, Linux
CategoryDeveloper ToolsTechnology
FoundedUnknown2001

Identical on both: starting price (Free), 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 Eclipse

  • Java development environment
  • Extensible plugin architecture
  • Integrated debugger
  • Code refactoring
  • Version control integration
  • Build automation
  • Multi-language support
  • Rich client platform

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 Eclipse
  • Removing local applies and the credential sprawl that comes with every engineer holding production keysnot Eclipse
  • Getting pull request driven infrastructure without paying a per-user subscription for a hosted platformnot Eclipse
  • Enforcing Conftest policies as a blocking check before an apply can runnot Eclipse

Eclipse

  • Java application developmentnot Atlantis
  • Enterprise software developmentnot Atlantis
  • Web application developmentnot Atlantis
  • Plugin developmentnot Atlantis
  • Educational programmingnot 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.

Eclipse

  • High memory consumption and CPU usage, especially with multiple plugins installed
  • Slow startup times and performance degradation with large projects or many open editors
  • Requires configuration of eclipse.ini file to optimize heap sizes for adequate performance
  • User interface considered outdated compared to modern IDE alternatives
  • User base fell from 39% of Java developers in 2024 to 28% in 2025, indicating market decline

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

Eclipse

Free

No published plan breakdown. See the Eclipse review.

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 Eclipse if

  • You need java development environment.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want extensible plugin architecture.
Eclipse review

Questions people ask

Is Atlantis or Eclipse better?
Neither clearly leads. Atlantis starts at Free and Eclipse at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Atlantis or Eclipse?
Atlantis starts at Free and Eclipse at Free.
Does Atlantis or Eclipse run on more platforms?
Atlantis runs on Linux, Docker, Kubernetes, Self-hosted. Eclipse runs on Windows, macOS, Linux.
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 Eclipse is typically brought in for.
What can Atlantis do that Eclipse cannot?
Atlantis covers Pull request plans, Comment driven apply, Workspace locking, Policy checking. Eclipse covers Java development environment, Extensible plugin architecture, Integrated debugger, Code refactoring.

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.

Eclipse: How much does Eclipse IDE cost?

Eclipse IDE is completely free and open-source, released under the Eclipse Public License 2.0.

Source
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.

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.

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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