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Developer Tools · head to head

Backstage vs Tenable

Backstage logo

Backstage

Developer Tools

Open source internal developer portal framework created and open sourced by Spotify

From
Free
Free plan
Yes
Full reviewWebsite
Tenable logo

Tenable

Cybersecurity

AI-powered exposure management platform for unified security visibility

From
$3500/year
Free plan
No
Full reviewWebsite

The short version

  • Only Backstage has a free tier, so it costs nothing to try first.
  • Each has a real cost: Backstage backstage is a framework rather than a product: there is no supported turnkey install, so getting to a usable portal means a TypeScript and React project your team owns, hosts and upgrades forever.; Tenable pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • They diverge on capability: Backstage covers Software catalogue, Tenable covers Unified attack surface mapping.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Backstage and Tenable actually diverge.

Attributes where Backstage and Tenable differ
AttributeBackstageTenable
Starting priceFree$3500/year
Pricing modelOpen source, no licence feesubscription
Free tierYesNo
PlatformsWeb, Self-hosted, Linux, Docker, KubernetesCloud, Web
CategoryDeveloper ToolsCybersecurity

Identical on both: 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 Backstage

  • Software catalogue
  • Software templates
  • TechDocs
  • Plugin architecture
  • Kubernetes plugin
  • Search
  • Entity ownership model
  • Auth provider integrations

Only in Tenable

  • Unified attack surface mapping
  • Exposure intelligence enrichment
  • Tenable Hexa AI orchestration
  • Cloud Exposure (CNAPP)
  • OT Exposure
  • Identity Exposure
  • Vulnerability Management
  • Attack Surface Management

What people use each for

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

Backstage

  • An engineering organisation past roughly a hundred services where nobody can reliably answer who owns a given service at two in the morningnot Tenable
  • A platform team enforcing golden paths, so a new service is scaffolded with logging, CI and security defaults already wired innot Tenable
  • A company consolidating scattered READMEs and Confluence pages into docs that live beside the code and cannot silently rot unnoticednot Tenable
  • A regulated business that needs an auditable register of every running service, its owner and its data classificationnot Tenable

Tenable

  • Comprehensive vulnerability scanning for enterprise networksnot Backstage
  • Cloud security monitoring and compliance for AWS, Azure, GCPnot Backstage
  • Identity and access management risk assessmentnot Backstage
  • Operational technology security for industrial systemsnot Backstage
  • Attack surface management for third-party risknot Backstage

Where each one falls short

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

Backstage

  • Backstage is a framework rather than a product: there is no supported turnkey install, so getting to a usable portal means a TypeScript and React project your team owns, hosts and upgrades forever.
  • Upstream releases move quickly and plugin APIs have broken across major versions, so a customised deployment accumulates upgrade debt and teams routinely fall months behind on versions they cannot cheaply catch up on.
  • The catalogue is only as good as the YAML descriptors engineers remember to write; without enforcement the register drifts out of date, and a developer portal nobody trusts is abandoned faster than one that never existed.
  • Community plugin quality varies sharply, with many unmaintained or pinned to old core versions, so the plugin that made the business case may be the one blocking your next upgrade.
  • Spotify Portal, the packaged commercial route, publishes no price at all and is quoted as a custom annual subscription, so the only cost you can actually forecast up front is the self-hosted one, which is the option with the largest hidden staffing bill.

Tenable

  • Pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • Many enterprise features require custom quote and sales engagement
  • Cloud Exposure, OT Exposure, and other modules have no published pricing
  • Multi-year contracts common, limiting flexibility
  • Setup and configuration complexity for enterprise deployments

Pricing, plan by plan

Backstage

Free
  • Backstage (open source)Free
    • Apache 2.0 licence
    • Software catalogue, templates, TechDocs and search
    • Full plugin ecosystem
  • Spotify Portal for Backstage$undefined/year
    • Packaged commercial distribution from Spotify
    • Spotify premium plugins including Soundcheck and Insights
    • Simplified setup and managed upgrade path

Tenable

$3500/year
  • Tenable One Vulnerability Management$3500/year
    • Per 100 assets
    • Multi-year discounts available
  • Tenable One Web App Scanning$3578/year
    • Per 5 FQDNs
    • Annual subscription
  • Nessus Professional$4790/year
    • Vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year
  • Nessus Expert$6790/year
    • Advanced vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year

Which should you pick?

Choose Backstage if

  • You need software catalogue.
  • You want to start without paying.
  • You work on Web, Self-hosted, Linux, Docker, Kubernetes.
  • You also want software templates.
Backstage review

Choose Tenable if

  • You need unified attack surface mapping.
  • You work on Cloud, Web.
  • You also want exposure intelligence enrichment.
Tenable review

Questions people ask

Is Backstage or Tenable better?
Neither clearly leads. Backstage starts at Free and Tenable at $3500/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Backstage or Tenable?
Backstage has a free tier; the other does not. Paid plans start at Free for Backstage and $3500/year for Tenable.
Does Backstage or Tenable run on more platforms?
Backstage runs on Web, Self-hosted, Linux, Docker, Kubernetes. Tenable runs on Cloud, Web.
Can I use Backstage for free?
Yes. Backstage has a free tier, so you can try it without paying. Tenable starts at $3500/year.
What is Backstage best used for?
Backstage is most often used for an engineering organisation past roughly a hundred services where nobody can reliably answer who owns a given service at two in the morning, a platform team enforcing golden paths, so a new service is scaffolded with logging, ci and security defaults already wired in, a company consolidating scattered readmes and confluence pages into docs that live beside the code and cannot silently rot unnoticed, a regulated business that needs an auditable register of every running service, its owner and its data classification. Of those, an engineering organisation past roughly a hundred services where nobody can reliably answer who owns a given service at two in the morning and a platform team enforcing golden paths, so a new service is scaffolded with logging, ci and security defaults already wired in are not what Tenable is typically brought in for.
What can Backstage do that Tenable cannot?
Backstage covers Software catalogue, Software templates, TechDocs, Plugin architecture. Tenable covers Unified attack surface mapping, Exposure intelligence enrichment, Tenable Hexa AI orchestration, Cloud Exposure (CNAPP).

Answered from the vendors’ own pages

Backstage: Is Backstage free?

The project is Apache 2.0 with no licence fee. The real cost is engineering time; teams commonly dedicate one to two engineers permanently to running it.

Tenable: How is Tenable One pricing structured?

Tenable One Vulnerability Management costs $3500/year per 100 assets. Web App Scanning is $3578/year per 5 FQDNs. Multi-year discounts are available.

Source
Backstage: Do I need to write code to use it?

Yes. Configuring and extending a Backstage application is a TypeScript and React project. This is the single most common misjudgement buyers make.

Tenable: What is the difference between Nessus Professional and Nessus Expert?

Nessus Professional costs $4790/year and provides core vulnerability scanning. Nessus Expert costs $6790/year and offers advanced scanning capabilities.

Source
Backstage: What is Spotify Portal for Backstage?

A commercial distribution from Spotify with premium plugins and support, generally available since October 2025 and sold as a quoted annual subscription with no published price.

Tenable: Are custom support and training available for Tenable?

Yes. Optional advanced support is available for $400/year. Training courses range from $275-$385/year.

Source
Backstage: Who owns the project?

Spotify created and open sourced it; it is now a CNCF project, so the upstream roadmap is not solely Spotify controlled.

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