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Software · head to head

Deno vs SonarQube

D

Deno

Software

A fast, open-source, fully Node-compatible JS runtime with TypeScript baked right in

From
Free
Rated
-
Full reviewWebsite
S

SonarQube

Software

Code quality and code security for clean code, at every step

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Deno the runtime itself is MIT licensed per the project's GitHub repository (denoland/deno LICENSE.md) with no cost, but Deno Deploy's free tier caps at 1 million requests and 15 CPU hours per month, per deno.com/deploy/pricing (Aug 2026); SonarQube free tier caps at 50,000 lines of code for private projects, per sonarsource.com/plans-and-pricing (Aug 2026); larger private codebases require the $34 per month Team plan or above

Where they differ

Only the attributes on which Deno and SonarQube actually diverge.

Attributes where Deno and SonarQube differ
AttributeDenoSonarQube

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), platforms (Web), user rating (Not yet rated), category (Unknown).

Where each one falls short

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

Deno

  • The runtime itself is MIT licensed per the project's GitHub repository (denoland/deno LICENSE.md) with no cost, but Deno Deploy's free tier caps at 1 million requests and 15 CPU hours per month, per deno.com/deploy/pricing (Aug 2026)
  • Deno Deploy Pro at $20 per month charges $2 per additional million requests and $0.05 per additional CPU hour once the included quota is exceeded, per deno.com/deploy/pricing

SonarQube

  • Free tier caps at 50,000 lines of code for private projects, per sonarsource.com/plans-and-pricing (Aug 2026); larger private codebases require the $34 per month Team plan or above
  • Advanced security features like CVE detection, malicious package detection and SBOM are a separate paid add-on with custom pricing, per SonarSource's own pricing page, not included even in the Enterprise plan's base price

Pricing, plan by plan

Deno

Free

No published plan breakdown. See the Deno review.

SonarQube

Free

No published plan breakdown. See the SonarQube review.

Which should you pick?

Choose Deno if

  • You want to start without paying.
Deno review

Choose SonarQube if

  • You want to start without paying.
SonarQube review

Questions people ask

Is Deno or SonarQube better?
Neither clearly leads. Deno starts at Free and SonarQube at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Deno or SonarQube?
Deno starts at Free and SonarQube at Free.
Does Deno or SonarQube run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Deno for free?
Both have a free tier, so you can try either at no cost before committing.
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