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Nixpacks vs Orca Security

Nixpacks logo

Nixpacks

Developer Tools

Build system that turns a source directory into an OCI image, now in maintenance mode

From
Free
Free plan
Yes
Full reviewWebsite
Orca Security logo

Orca Security

Cloud

Agentless cloud-native application protection platform for code-to-runtime security.

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Only Nixpacks has a free tier, so it costs nothing to try first.
  • Each has a real cost: Nixpacks the project is in maintenance mode with no commits on the default branch since May 2026 and no release since October 2025, so support for new language versions arrives only if someone forks it.; Orca Security no public pricing; requires a demo and custom quote from sales.
  • They diverge on capability: Nixpacks covers Automatic language detection, Orca Security covers Agentless cloud scanning.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Nixpacks and Orca Security actually diverge.

Attributes where Nixpacks and Orca Security differ
AttributeNixpacksOrca Security
Starting priceFreeOn request
Pricing modelOpen source, no licence feequote
Free tierYesNo
PlatformsLinux, macOS, CLI, Dockerweb, api
CategoryDeveloper ToolsCloud

Identical on both: 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 Nixpacks

  • Automatic language detection
  • No Dockerfile required
  • Nix toolchains
  • Configuration escape hatches
  • Docker layer caching

Only in Orca Security

  • Agentless cloud scanning
  • Attack path analysis
  • Shadow AI detection
  • Secure code development
  • Alert prioritization
  • Workload protection

What people use each for

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

Nixpacks

  • Understanding the build behaviour of a platform that adopted Nixpacks before it was frozennot Orca Security
  • Producing container images from a polyglot monorepo where nobody wants to own several Dockerfilesnot Orca Security
  • Reproducing an existing Railway build locally while planning a migration to Railpacknot Orca Security
  • Comparing what a Nix based builder does differently from a buildpack before choosing a successornot Orca Security

Orca Security

  • Gaining full cloud asset visibility without deploying agentsnot Nixpacks
  • Prioritizing cloud risk with attack path correlationnot Nixpacks
  • Detecting shadow AI usage across cloud environmentsnot Nixpacks
  • Scanning code, containers, and IaC before deploymentnot Nixpacks
  • Reducing alert fatigue through contextual risk scoringnot Nixpacks

Where each one falls short

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

Nixpacks

  • The project is in maintenance mode with no commits on the default branch since May 2026 and no release since October 2025, so support for new language versions arrives only if someone forks it.
  • Build determinism is softer than it appears, because providers pin a nixpkgs archive commit and bumping that archive silently moves compiler and runtime versions underneath a build that looks unchanged.
  • Caching is limited to Docker layers rather than a content addressed graph, so a small change early in the build invalidates everything after it, which is exactly the limitation Railpack was rewritten to fix.
  • Images carry Nix store layers and come out larger than an equivalent tuned Dockerfile or buildpack output, which costs registry storage and slows cold pulls on scale-out.
  • There is no specification, no vendor neutral governance and no third party provider ecosystem, so a single company was able to redirect strategy and leave every downstream user with a frozen build tool.

Orca Security

  • No public pricing; requires a demo and custom quote from sales.
  • Agentless-only scanning may miss some runtime telemetry that agent-based tools capture.
  • Full value depends on integrating many of the platform's modules across code, cloud, and AI.
  • Primarily targeted at mid-to-large organizations with multi-cloud environments.

Pricing, plan by plan

Nixpacks

Free
  • NixpacksFree
    • MIT licensed, no usage limits
    • No commercial edition and no support contract
    • In maintenance mode, superseded by Railpack

Orca Security

On request

No published plan breakdown. See the Orca Security review.

Which should you pick?

Choose Nixpacks if

  • You need automatic language detection.
  • You want to start without paying.
  • You work on Linux, macOS, CLI, Docker.
  • You also want no dockerfile required.
Nixpacks review

Choose Orca Security if

  • You need agentless cloud scanning.
  • You work on web, api.
  • You also want attack path analysis.
Orca Security review

Questions people ask

Is Nixpacks or Orca Security better?
Neither clearly leads. Nixpacks starts at Free and Orca Security at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nixpacks or Orca Security?
Nixpacks has a free tier; the other does not. Paid plans start at Free for Nixpacks and On request for Orca Security.
Does Nixpacks or Orca Security run on more platforms?
Nixpacks runs on Linux, macOS, CLI, Docker. Orca Security runs on web, api.
Can I use Nixpacks for free?
Yes. Nixpacks has a free tier, so you can try it without paying. Orca Security starts at On request.
What is Nixpacks best used for?
Nixpacks is most often used for understanding the build behaviour of a platform that adopted nixpacks before it was frozen, producing container images from a polyglot monorepo where nobody wants to own several dockerfiles, reproducing an existing railway build locally while planning a migration to railpack, comparing what a nix based builder does differently from a buildpack before choosing a successor. Of those, understanding the build behaviour of a platform that adopted nixpacks before it was frozen and producing container images from a polyglot monorepo where nobody wants to own several dockerfiles are not what Orca Security is typically brought in for.
What can Nixpacks do that Orca Security cannot?
Nixpacks covers Automatic language detection, No Dockerfile required, Nix toolchains, Configuration escape hatches. Orca Security covers Agentless cloud scanning, Attack path analysis, Shadow AI detection, Secure code development.

Answered from the vendors’ own pages

Nixpacks: Should I start a new project on Nixpacks?

No. The documentation and README both say it is in maintenance mode and recommend Railpack. Choose Railpack, Cloud Native Buildpacks or a Dockerfile instead.

Orca Security: How much does Orca Security cost?

Orca Security does not publish pricing tiers or rates on their website. Organizations must contact Orca Security directly or request a demo to receive custom pricing information based on their specific use case and requirements.

Source
Nixpacks: Will my existing Nixpacks builds stop working?

Not immediately. Pinned nixpkgs archives keep resolving, so builds continue. What you lose is support for new runtime major versions and any fix for a provider bug.

Nixpacks: What replaces it?

Railpack, also from Railway and also MIT licensed, rebuilt as a BuildKit custom frontend for finer grained caching and parallel steps.

Nixpacks: Is it still open source?

Yes, MIT, and the repository is not archived. Being open source does not help much when nobody is merging provider updates.

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