Developer Tools · head to head
ESLint vs OpsLevel
OpsLevel
Developer Tools
Internal developer portal that scores service ownership and production readiness
- From
- On request
- Rated
- -
The short version
- Only ESLint has a free tier, so it costs nothing to try first.
- Each has a real cost: ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome; OpsLevel opsLevel does not publish prices at all, not even a starting figure, so you cannot size a budget or compare against Backstage's zero licence cost without entering a sales cycle.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which ESLint and OpsLevel actually diverge.
Identical on both: 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 ESLint
Nothing recorded that OpsLevel does not also cover.
Only in OpsLevel
- Service catalogue
- Scorecards and rubric
- Checks
- Campaigns
- Self-service actions
- Slack and Teams integration
- Catalogue auto-enrichment
- Deployment on request
What people use each for
The jobs each tool is most often brought in to do.
ESLint
- Statically analysing JavaScript and JSX to find problems before runtimenot OpsLevel
- Automatically fixing issues with syntax-aware rewritesnot OpsLevel
- Enforcing a consistent code style across a teamnot OpsLevel
- Running as a CI step to block non-conforming codenot OpsLevel
- Writing custom rules for project-specific conventionsnot OpsLevel
OpsLevel
- A platform team that needs to prove every production service has a named owner and an on-call rota before an auditnot ESLint
- Driving a fleet-wide migration such as a runtime upgrade across 400 services with a deadline and visible progressnot ESLint
- Giving developers a paved road to create a new service from a template without waiting on the platform teamnot ESLint
- An organisation where an incident took an hour to route because nobody could identify the owning teamnot ESLint
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
OpsLevel
- OpsLevel does not publish prices at all, not even a starting figure, so you cannot size a budget or compare against Backstage's zero licence cost without entering a sales cycle.
- The Standard plan caps at 50 users, which is below the size at which service ownership becomes a real problem, so most genuine buyers land on Enterprise and its unpublished pricing.
- Scores are only as honest as the metadata teams maintain; where ownership records go stale the rubric produces confident numbers about a catalogue that no longer reflects reality, and leadership acts on them.
- It reports on quality rather than producing it, so it can generate friction between platform teams who set the rubric and product teams who see it as a scoreboard imposed on them without extra headcount to fix the findings.
- As a hosted product it needs read access to source control, cloud accounts and observability tooling, which is a meaningful vendor review in regulated environments; on-premises exists but only on the Enterprise tier.
Pricing, plan by plan
ESLint
FreeNo published plan breakdown. See the ESLint review.
OpsLevel
On request- Standard$undefined/year
- Up to 50 users
- Unlimited catalogued components
- Scorecards, campaigns and the global rubric
- Enterprise$undefined/year
- Unlimited users
- Custom integrations
- Customisable dashboards
Which should you pick?
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Questions people ask
- Is ESLint or OpsLevel better?
- Neither clearly leads. ESLint starts at Free and OpsLevel at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ESLint or OpsLevel?
- ESLint has a free tier; the other does not. Paid plans start at Free for ESLint and On request for OpsLevel.
- Does ESLint or OpsLevel run on more platforms?
- ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. OpsLevel runs on Web.
- Can I use ESLint for free?
- Yes. ESLint has a free tier, so you can try it without paying. OpsLevel starts at On request.
- What is ESLint best used for?
- ESLint is most often used for statically analysing javascript and jsx to find problems before runtime, automatically fixing issues with syntax-aware rewrites, enforcing a consistent code style across a team, running as a ci step to block non-conforming code. Of those, statically analysing javascript and jsx to find problems before runtime and automatically fixing issues with syntax-aware rewrites are not what OpsLevel is typically brought in for.
- What can ESLint do that OpsLevel cannot?
- OpsLevel covers Service catalogue, Scorecards and rubric, Checks, Campaigns.
Answered from the vendors’ own pages
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.
SourceOpsLevel: How much does OpsLevel cost?
It does not publish pricing. Billing is per developer using the portal, with volume discounts, and a quote requires a sales conversation.
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.
SourceOpsLevel: How does it compare with Backstage?
Backstage has no licence fee but you staff a team to build and run it. OpsLevel is hosted with checks, campaigns and scorecards out of the box, and you pay per developer instead.
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.
SourceOpsLevel: Does it require writing catalogue YAML by hand?
No. It auto-discovers and enriches entries from connected systems, though teams still curate ownership and metadata.
OpsLevel: Can it run on premises?
Yes, but only on the Enterprise plan.
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- OpsLevel vs Moonrepo
- OpsLevel vs Nx Cloud
- OpsLevel vs Pants Build
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- OpsLevel vs Cortex
- OpsLevel vs Blacksmith
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- OpsLevel vs Depot
- OpsLevel vs Spacelift
- OpsLevel vs ConfigCat
- OpsLevel vs Namespace
- OpsLevel vs Garden
- OpsLevel vs WarpBuild
- OpsLevel vs Soketi
- OpsLevel vs SonarQube
- OpsLevel vs Sourcegraph
- OpsLevel vs Sweep
- OpsLevel vs Visual Studio
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