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Cloud · head to head

Skopeo vs Timeplus

Skopeo logo

Skopeo

Cloud

Inspect, copy and sign container images without pulling them

From
Free
Rated
-
Full reviewWebsite
Timeplus logo

Timeplus

Databases

Streaming SQL engine built on ClickHouse internals, shipping as one small binary

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Skopeo single-purpose: it neither builds nor runs images, so it is one tool in a chain rather than a solution; Timeplus proton, the free version, is single-node by design, so any requirement for high availability or horizontal scale forces the commercial licence; the open source edition is a trial in practical terms.
  • They diverge on capability: Skopeo covers Remote inspection, Timeplus covers Streaming SQL.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Skopeo and Timeplus actually diverge.

Attributes where Skopeo and Timeplus differ
AttributeSkopeoTimeplus
Pricing modelOpen source, no licence feePer month for cloud, quoted for self-hosted
PlatformsLinux, macOSLinux, macOS, Docker, Kubernetes, Web
CategoryCloudDatabases

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 Skopeo

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

Only in Timeplus

  • Streaming SQL
  • Unified streaming and historical
  • ClickHouse-based engine
  • Single binary deployment
  • External streams
  • Materialised views

What people use each for

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

Skopeo

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

Timeplus

  • Real-time alerting on Kafka topics where standing up a Flink cluster is more work than the use case justifiesnot Skopeo
  • Fraud or anomaly detection that must join a live event stream against recent history in one querynot Skopeo
  • Streaming ETL from Kafka or MySQL change data capture into ClickHouse without writing Javanot Skopeo
  • A small data team that needs continuous aggregation but has no platform engineers to operate JVM infrastructurenot Skopeo

Where each one falls short

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

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

Timeplus

  • Proton, the free version, is single-node by design, so any requirement for high availability or horizontal scale forces the commercial licence; the open source edition is a trial in practical terms.
  • It is a young project against Apache Flink’s decade of production history, so the hiring pool, the connector library and the body of known failure modes are all much smaller.
  • Inheriting ClickHouse internals also inherits ClickHouse constraints: memory-hungry queries, awkward updates and a SQL dialect that is not portable to other engines.
  • Exactly-once semantics and state recovery guarantees are less battle-tested than Flink checkpointing, which matters if the pipeline moves money.
  • Cloud pricing is by provisioned instance size rather than usage, so a bursty workload pays for peak capacity around the clock or has to be resized by hand.

Pricing, plan by plan

Skopeo

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

Timeplus

Free
  • Timeplus ProtonFree
    • Apache 2.0 licence
    • Single node only
    • Full streaming SQL engine
  • Timeplus Cloud$199/month
    • One to thirty-two CPUs
    • 4 GB to 128 GB memory
    • From 250 GB SSD storage
  • Self-hosted or BYOC$undefined/year
    • Multi-node clustering
    • Kubernetes or bare metal
    • Customisable compute and storage

Which should you pick?

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

Choose Timeplus if

  • You need streaming sql.
  • You want to start without paying.
  • You work on Linux, macOS, Docker, Kubernetes, Web.
  • You also want unified streaming and historical.
Timeplus review

Questions people ask

Is Skopeo or Timeplus better?
Neither clearly leads. Skopeo starts at Free and Timeplus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Skopeo or Timeplus?
Skopeo starts at Free and Timeplus at Free.
Does Skopeo or Timeplus run on more platforms?
Skopeo runs on Linux, macOS. Timeplus runs on Linux, macOS, Docker, Kubernetes, Web.
Can I use Skopeo for free?
Both have a free tier, so you can try either at no cost before committing.
What is Skopeo best used for?
Skopeo is most often used for promoting images between staging and production registries without a round trip, inspecting an image’s contents before deciding to deploy it, mirroring images into an air-gapped or internal registry. Of those, promoting images between staging and production registries without a round trip and inspecting an image’s contents before deciding to deploy it are not what Timeplus is typically brought in for.
What can Skopeo do that Timeplus cannot?
Skopeo covers Remote inspection, Registry-to-registry copy, Format conversion, Image signing. Timeplus covers Streaming SQL, Unified streaming and historical, ClickHouse-based engine, Single binary deployment.

Answered from the vendors’ own pages

Skopeo: Is Skopeo free?

Yes, open source with no licence fee.

Timeplus: Is Timeplus open source?

The core engine, Timeplus Proton, is Apache 2.0. Timeplus Enterprise and Cloud are commercial.

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.

Timeplus: What is the difference from Flink?

Timeplus is one binary with SQL as the only interface; Flink is a JVM cluster with a Java and SQL API and far more operational surface.

Skopeo: Can Skopeo run containers?

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

Timeplus: Can Proton run in production?

It can, but it is single-node only, so there is no high availability without the commercial edition.

Timeplus: How much is the cloud?

From 199 US dollars a month, sized by CPU and memory, with a fourteen day trial.

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