Backend Runtimes & Frameworks
4.7/5.0
VerifiedFreeLast technical review:
Markdown for AI (.md)

Deno

Secure JavaScript and TypeScript runtime with built-in tooling and Node.js compatibility.

Pricing

$0/mo

Free
Score

4.7/5

License
MIT
Last technical review
2026-10-29
Available plansVisit website (opens in a new tab)

Technical Overview

Deno is a modern runtime for JavaScript and TypeScript offering compatibility with Node.js and npm without complex setup. It includes a built-in package manager, test runner, linter, and formatters, delivered as an open-source self-hostable project.

Analyst Evaluation: Pros and Limitations

Verified Advantages

  • Native TypeScript support without external build configurations.
  • Comprehensive built-in tooling including test runners and linters.
  • Strong compatibility with npm packages and existing Node ecosystems.

Technical Considerations

  • Smaller native module ecosystem compared to traditional Node.js.
  • Migration effort required for teams used to legacy Node workflows.

Technical Capabilities & Features

3/7
Included:REST & GraphQL API
Not available:SSO / SAML Authentication
Included:Self-Hosted Option
Included:Full Data Export
Not available:Role-Based Access Control (RBAC)
Not available:Custom Domains & SSL
Not available:Immutable Audit Logs
Scorecard
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Technical Scorecard: Deno

93/100
DX & Tech Documentation
Excellent
95/100
Pricing Fairness
Excellent
100/100
Security & Governance
Excellent
90/100
Data Portability & Sovereignty
Excellent
95/100
Performance & Reliability
Excellent
85/100

Time to Value & Fit by Segment: Deno

Estimated Time-to-Value< 1 hour (Immediate)

Near-instantaneous deployment with minimal technical friction.

Learning CurveModerate (Standard)

Requires consulting technical documentation and basic credentials setup.

Fit Index by Organization Size

Startup & Agile Teams1 to 50 members
90%
Mid-Market & Scaleup50 to 500 members
85%
Corporate Enterprise500+ members
75%
Pricing & TCO
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Pricing

$0.00/mo

Model: FREE.

Free Tier Verification:

  • No credit card required
  • Commercial use allowed
  • Unlimited usage with no expiration
  • No mandatory watermarks
Get Deno (opens in a new tab)

Billing Risks & Hidden Clauses: Deno

Free Tier Limits:

Completely free and open-source under the MIT license with no usage limitations.

Total Cost of Ownership (TCO) Projection: Deno$0.00/mo
Deterministic cost estimation at 12 and 36 months based on team size, including SSO tax premiums and annual prepay discounts.
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Licensing Cost (1 to 100+ seats)
$0/forever
Unlimited team members with zero penalties
SSO Tax (SAML Enterprise)
$0no surcharge
No artificial security barriers
3-Year Investment (Software TCO)
$0total
operates under a zero-cost or open-source model. Licensing TCO is identical:
Usage Surcharges & Bill Shock Simulator: DenoWhat usage costs as you scale
Detect overage penalties before they impact engineering budget.
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Prototype / MVP (10 GB)

Included base quota in plan: 10 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Suitable for development; verify concurrent connection limits.

Base Production (50 GB)

Included base quota in plan: 50 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Implement table compression policies and temporal partitioning.

Active Growth (250 GB)

Included base quota in plan: 250 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Offload cold backups to standard object storage (S3).

Large Scale (1.000 GB (1 TB))

Included base quota in plan: 1,000 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Migrate to dedicated instance or self-hosted cluster to curtail I/O fees.

Security & Data Exit
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Compliance & Security Standards: Deno

SOC 2 Type IINot reported
ISO 27001Not reported
GDPR / RGPDNot reported
HIPAANot reported
PCI-DSSNot reported
Jurisdiction & Legal Sovereignty
🇺🇸United States [US]Subject to US CLOUD ActDPA On Request
SSO Availability (SAML Enterprise)
No SSO Documented
Data Residency
GLOBALSELF_HOSTED
AI Privacy Policy
Not evaluated
Data Liberation & Migration Runbook: DenoSOURCE_CODE
Actionable escape runbook and credential export guarantees to mitigate vendor lock-in.
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Supported Structured Export Formats
SOURCE_CODE
Password Hash Portability
Locked: Proprietary Algorithm / No Export

Credential hashes are guarded under proprietary algorithms and cannot be exported.

CLI Command / Rescue Endpoint
git clone / standard file export
Exit Protocol & Migration Notes

Dado que Deno es un runtime de código abierto, la migración de código consiste en ajustar las importaciones de módulos hacia Node.js o Bun según se requiera.

Deployment & Infrastructure Requirements: DenoMIT
Hardware specs and Docker directives to run on local servers, dedicated VPS, or Kubernetes without telemetry leak to the cloud.
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Minimum Memory1 GB RAM (Recommended)
Compute CPU1 vCPU
Runtime / LanguageRust
Code LicenseMIT
Docker CLI Directive
docker run -d --name deno -p 8080:8080 deno:latest
Companion Services & Dependencies:
PostgreSQL 15+Redis 7+
Community & Repository
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Technical Reputation of Deno

89/100 Technical Trust

Frequent Praises in Production

  • Native TypeScript support without external build configurations.
  • Comprehensive built-in tooling including test runners and linters.
  • Strong compatibility with npm packages and existing Node ecosystems.

Reported Production Frictions

  • Smaller native module ecosystem compared to traditional Node.js.
  • Migration effort required for teams used to legacy Node workflows.
Commercial Treatment & Vendor Lock-in:1-Click Cancellation

Immediate cancellation from account settings without phone calls or forced retention.

Open source repository activity: Deno108,792
Stars, forks and release cadence
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Stars108.8k
Forks6.5k
Open Issues1.7k
SPDX LicenseMIT
Latest Commit DetectedOct 26, 2026

Frequently Asked Technical Questions (Deno)

Is Deno fully compatible with existing npm packages?

Yes, Deno allows importing and utilizing npm packages and standard Node.js dependencies directly using compatible module specifiers.

How does Deno handle security during script execution?

By default, Deno executes scripts in a sandboxed environment where access to the file system, network, and environment variables requires explicit permissions.

Can Deno be deployed on self-hosted servers?

As an open-source project, Deno can be freely downloaded and installed on any self-hosted infrastructure or server without commercial restrictions.

Direct Alternatives

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