Softwr

Cybersecurity · head to head

Chainguard vs MuckRock

Chainguard logo

Chainguard

Cybersecurity

Secure-by-default open source software with hardened container images and libraries

From
Free
Free plan
Yes
Full reviewWebsite
MuckRock logo

MuckRock

Government

FOIA Filing and Research Platform

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Chainguard containers Catalog at 19,000 USD/year expensive for teams under 10 people; MuckRock muckRock's core platform, Squarelet identity service, and DocumentCloud are licensed AGPL-3.0, which requires anyone running a modified version as a network service to release their source code
  • They diverge on capability: Chainguard covers Hardened container images, MuckRock covers FOIA Filing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Chainguard and MuckRock actually diverge.

Attributes where Chainguard and MuckRock differ
AttributeChainguardMuckRock
Pricing modelLicensing by artifact type and team sizefreemium
PlatformsCloud, Container, VMWeb
CategoryCybersecurityGovernment
FoundedUnknown2010

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 Chainguard

  • Hardened container images
  • CVE remediation SLA
  • SLSA L2/L3 builds
  • Sigstore signatures
  • SBOM generation
  • Language libraries
  • VM images
  • Artifact scanning

Only in MuckRock

  • FOIA Filing
  • Request Tracking
  • Document Archive
  • Collaboration
  • Agency Directory
  • DocumentCloud
  • News Organizations
  • Research Tools

What people use each for

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

Chainguard

  • Deploying hardened container images with minimal attack surfacenot MuckRock
  • Meeting supply chain security requirements for regulated industriesnot MuckRock
  • Reducing CVE exposure with contractual remediation guaranteesnot MuckRock
  • Building secure language packages with automatic backportsnot MuckRock
  • Verifying artifact provenance with Sigstore signaturesnot MuckRock

MuckRock

  • Citizen Servicesnot Chainguard
  • Records Managementnot Chainguard
  • Public Safetynot Chainguard
  • Civic Engagementnot Chainguard

Where each one falls short

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

Chainguard

  • Containers Catalog at 19,000 USD/year expensive for teams under 10 people
  • Per-image pricing for containers requires custom quotes with no transparency
  • Free tier limited to 5 container images for testing
  • Libraries pricing by ecosystem and developer count lacks transparent per-developer cost
  • VM image catalog pricing opacity makes cost estimation difficult

MuckRock

  • MuckRock's core platform, Squarelet identity service, and DocumentCloud are licensed AGPL-3.0, which requires anyone running a modified version as a network service to release their source code

Pricing, plan by plan

Chainguard

Free
  • Free TierFree
    • Five container images to test and deploy
  • Containers Per-Image$undefined/custom
    • Licensed by quantity and type
    • Base images, application images, AI/ML images, FIPS variants
    • Custom pricing per image
  • Containers Catalog$19000/year
    • For 10-person engineering teams
    • 2,000+ container images
    • Contractual CVE remediation SLAs
  • Libraries Licensing$undefined/custom
    • Licensed by ecosystem (Python, Java, JavaScript)
    • Licensed by developer count
    • Unlimited pulls with no metering

MuckRock

Free
  • BasicFree
    • FOIA Filing
    • Request Tracking
    • Document Archive

Which should you pick?

Choose Chainguard if

  • You need hardened container images.
  • You want to start without paying.
  • You work on Cloud, Container, VM.
  • You also want cve remediation sla.
Chainguard review

Choose MuckRock if

  • You need foia filing.
  • You want to start without paying.
  • You also want request tracking.
MuckRock review

Questions people ask

Is Chainguard or MuckRock better?
Neither clearly leads. Chainguard starts at Free and MuckRock at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Chainguard or MuckRock?
Chainguard starts at Free and MuckRock at Free.
Does Chainguard or MuckRock run on more platforms?
Chainguard runs on Cloud, Container, VM. MuckRock runs on Web.
Can I use Chainguard for free?
Both have a free tier, so you can try either at no cost before committing.
What is Chainguard best used for?
Chainguard is most often used for deploying hardened container images with minimal attack surface, meeting supply chain security requirements for regulated industries, reducing cve exposure with contractual remediation guarantees, building secure language packages with automatic backports. Of those, deploying hardened container images with minimal attack surface and meeting supply chain security requirements for regulated industries are not what MuckRock is typically brought in for.
What can Chainguard do that MuckRock cannot?
Chainguard covers Hardened container images, CVE remediation SLA, SLSA L2/L3 builds, Sigstore signatures. MuckRock covers FOIA Filing, Request Tracking, Document Archive, Collaboration.

Answered from the vendors’ own pages

Chainguard: How much is the Chainguard Containers Catalog?

The Containers Catalog is 19,000 USD per year for 10-person engineering teams, providing access to 2,000+ hardened container images.

Source
Chainguard: What SLAs does Chainguard offer?

Chainguard provides contractual CVE remediation SLAs: 7 days for critical vulnerabilities, 14 days for high/medium/low severity, all with priority support.

Source
Chainguard: Can I try Chainguard before purchasing?

Yes. The free tier includes five container images for testing and deployment, allowing hands-on evaluation.

Source
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