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APIs · head to head

Janus Gateway vs Skopeo

Janus Gateway logo

Janus Gateway

APIs

WebRTC gateway and media server for real-time communication

From
Free
Rated
-
Full reviewWebsite
Skopeo logo

Skopeo

Cloud

Inspect, copy and sign container images without pulling them

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Janus Gateway no commercial pricing published; open-source project without official commercial offerings; Skopeo single-purpose: it neither builds nor runs images, so it is one tool in a chain rather than a solution
  • They diverge on capability: Janus Gateway covers WebRTC Gateway, Skopeo covers Remote inspection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Janus Gateway and Skopeo actually diverge.

Attributes where Janus Gateway and Skopeo differ
AttributeJanus GatewaySkopeo
Pricing modelopen-sourceOpen source, no licence fee
PlatformsLinux, MacOS, BSDLinux, macOS
CategoryAPIsCloud
Founded2010Unknown

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 Janus Gateway

  • WebRTC Gateway
  • Media Routing
  • Video Conferencing
  • RTP
  • SRTP
  • REST API
  • Linux support
  • MacOS support

Only in Skopeo

  • Remote inspection
  • Registry-to-registry copy
  • Format conversion
  • Image signing

What people use each for

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

Janus Gateway

  • API Developmentnot Skopeo
  • API Gatewaynot Skopeo
  • API Testingnot Skopeo
  • API Documentationnot Skopeo
  • Microservicesnot Skopeo

Skopeo

  • Promoting images between staging and production registries without a round tripnot Janus Gateway
  • Inspecting an image’s contents before deciding to deploy itnot Janus Gateway
  • Mirroring images into an air-gapped or internal registrynot Janus Gateway

Where each one falls short

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

Janus Gateway

  • No commercial pricing published; open-source project without official commercial offerings
  • Community-supported only; no vendor commercial support or SLA available

Skopeo

  • Single-purpose: it neither builds nor runs images, so it is one tool in a chain rather than a solution
  • Command syntax with transport prefixes such as docker:// is unusual and trips people up initially
  • Documentation is sparse compared with the rest of the container ecosystem

Pricing, plan by plan

Janus Gateway

Free
  • Open SourceFree
    • Core WebRTC gateway
    • Community support

Skopeo

Free
  • SkopeoFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose Janus Gateway if

  • You need webrtc gateway.
  • You want to start without paying.
  • You work on Linux, MacOS, BSD.
  • You also want media routing.
Janus Gateway review

Choose Skopeo if

  • You need remote inspection.
  • You want to start without paying.
  • You work on Linux, macOS.
  • You also want registry-to-registry copy.
Skopeo review

Questions people ask

Is Janus Gateway or Skopeo better?
Neither clearly leads. Janus Gateway starts at Free and Skopeo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Janus Gateway or Skopeo?
Janus Gateway starts at Free and Skopeo at Free.
Does Janus Gateway or Skopeo run on more platforms?
Janus Gateway runs on Linux, MacOS, BSD. Skopeo runs on Linux, macOS.
Can I use Janus Gateway for free?
Both have a free tier, so you can try either at no cost before committing.
What is Janus Gateway best used for?
Janus Gateway is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Skopeo is typically brought in for.
What can Janus Gateway do that Skopeo cannot?
Janus Gateway covers WebRTC Gateway, Media Routing, Video Conferencing, RTP. Skopeo covers Remote inspection, Registry-to-registry copy, Format conversion, Image signing.

Answered from the vendors’ own pages

Janus Gateway: How much does Janus Gateway cost?

Janus Gateway has no pricing model; it is a free open-source WebRTC server developed by Meetecho. The general-purpose server is available for download at no cost. There are no subscription tiers or commercial licensing fees.

Source
Skopeo: Is Skopeo free?

Yes, open source with no licence fee.

Janus Gateway: Is Janus Gateway supported commercially?

Janus Gateway is community-supported open-source software with no official commercial support or SLA from the vendors. While Meetecho developed the project, users must rely on community documentation and forums for assistance.

Source
Skopeo: Why copy images without pulling them?

A registry-to-registry copy avoids downloading and re-uploading gigabytes, which is faster and much cheaper on bandwidth in CI.

Skopeo: Can Skopeo run containers?

No. It only inspects, copies, signs and deletes images. Running them is Podman’s or Docker’s job.

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