Developer Tools · head to head
Backstage vs ESLint
Backstage
Developer Tools
Open source internal developer portal framework created and open sourced by Spotify
- From
- Free
- Rated
- -
The short version
- 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.; ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Backstage and ESLint actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Developer Tools).
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 ESLint
Nothing recorded that Backstage does not also cover.
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 ESLint
- A platform team enforcing golden paths, so a new service is scaffolded with logging, CI and security defaults already wired innot ESLint
- A company consolidating scattered READMEs and Confluence pages into docs that live beside the code and cannot silently rot unnoticednot ESLint
- A regulated business that needs an auditable register of every running service, its owner and its data classificationnot ESLint
ESLint
- Statically analysing JavaScript and JSX to find problems before runtimenot Backstage
- Automatically fixing issues with syntax-aware rewritesnot Backstage
- Enforcing a consistent code style across a teamnot Backstage
- Running as a CI step to block non-conforming codenot Backstage
- Writing custom rules for project-specific conventionsnot 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.
ESLint
- Slow performance on large codebases compared to newer tools like Oxlint and Biome
- Complexity in configuration from scratch, particularly for TypeScript support
- Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features
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
ESLint
FreeNo published plan breakdown. See the ESLint review.
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.
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Questions people ask
- Is Backstage or ESLint better?
- Neither clearly leads. Backstage starts at Free and ESLint at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Backstage or ESLint?
- Backstage starts at Free and ESLint at Free.
- Does Backstage or ESLint run on more platforms?
- Backstage runs on Web, Self-hosted, Linux, Docker, Kubernetes. ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment.
- Can I use Backstage for free?
- Both have a free tier, so you can try either at no cost before committing.
- 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 ESLint is typically brought in for.
- What can Backstage do that ESLint cannot?
- Backstage covers Software catalogue, Software templates, TechDocs, Plugin architecture.
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.
ESLint: Does ESLint automatically fix code issues?
Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.
SourceBackstage: 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.
ESLint: How much does ESLint cost?
ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.
SourceBackstage: 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.
ESLint: Can I write custom ESLint rules?
Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.
SourceBackstage: 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.
Related pages
Other head to heads
- Backstage vs Harness
- Backstage vs Cortex
- Backstage vs OpsLevel
- Backstage vs Tilt
- Backstage vs Ansible
- Backstage vs Frappe
- Backstage vs Refact
- Backstage vs Soketi
- Backstage vs Visual Studio Code
- Backstage vs Penpot
- Backstage vs GNU Emacs
- Backstage vs Bazel
- Backstage vs Argo CD
- Backstage vs Atlantis
- Backstage vs Blacksmith
- Backstage vs Coder
- Backstage vs Garden
- Backstage vs GitLab CI/CD
- Backstage vs Turborepo
- Backstage vs Prettier
- Backstage vs Deno
- Backstage vs Fig
- Backstage vs Vite
- Backstage vs Buildkite
- Backstage vs HCP Terraform
- Backstage vs Helm
- Backstage vs Earthly
- Backstage vs Eclipse IDE
- Backstage vs Moonrepo
- Backstage vs Nx Cloud
- Backstage vs Pants Build
- ESLint vs Harness
- ESLint vs Cortex
- ESLint vs OpsLevel
- ESLint vs Tilt
- ESLint vs Ansible
- ESLint vs Frappe
- ESLint vs Refact
- ESLint vs Soketi
- ESLint vs Visual Studio Code
- ESLint vs Penpot
- ESLint vs GNU Emacs
- ESLint vs Bazel
- ESLint vs Argo CD
- ESLint vs Atlantis
- ESLint vs Blacksmith
- ESLint vs Coder
- ESLint vs Garden
- ESLint vs GitLab CI/CD
- ESLint vs Turborepo
- ESLint vs Prettier
- ESLint vs Deno
- ESLint vs Fig
- ESLint vs Vite
- ESLint vs Buildkite
- ESLint vs HCP Terraform
- ESLint vs Helm
- ESLint vs Earthly
- ESLint vs Eclipse IDE
- ESLint vs Moonrepo
- ESLint vs Nx Cloud
- ESLint vs Pants Build