Software · head to head
ESLint vs Express.js
E
Express.js
Software
Fast, unopinionated, minimalist web framework for Node.js
- 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; Express.js governed by the OpenJS Foundation with no vendor or paid tier, per expressjs.com; as open source software it has no pricing to compare
Where they differ
Only the attributes on which ESLint and Express.js actually diverge.
| Attribute | ESLint | Express.js |
|---|---|---|
| Starting price | Free | On request |
| Pricing model | Unknown | quote |
| Free tier | Yes | No |
| Platforms | Browser-based JavaScript, Node.js, Any JavaScript environment | Web |
| Founded | 2019 | Unknown |
Identical on both: user rating (Not yet rated), category (Unknown).
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 Express.js
- Automatically fixing issues with syntax-aware rewritesnot Express.js
- Enforcing a consistent code style across a teamnot Express.js
- Running as a CI step to block non-conforming codenot Express.js
- Writing custom rules for project-specific conventionsnot Express.js
Express.js
No use cases recorded yet. See the Express.js review.
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
Express.js
- Governed by the OpenJS Foundation with no vendor or paid tier, per expressjs.com; as open source software it has no pricing to compare
- Express.js provides only a thin layer of fundamental routing features by its own description, requiring separate middleware modules for functionality like body parsing, sessions or authentication
Pricing, plan by plan
ESLint
FreeNo published plan breakdown. See the ESLint review.
Express.js
On requestNo published plan breakdown. See the Express.js review.
Which should you pick?
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Choose Express.js if
Nothing in the data separates Express.js from ESLint on the points above - pick on price and on how each one feels to use.
Questions people ask
- Is ESLint or Express.js better?
- Neither clearly leads. ESLint starts at Free and Express.js at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ESLint or Express.js?
- ESLint has a free tier; the other does not. Paid plans start at Free for ESLint and On request for Express.js.
- Does ESLint or Express.js run on more platforms?
- ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. Express.js runs on Web.
- Can I use ESLint for free?
- Yes. ESLint has a free tier, so you can try it without paying. Express.js 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 Express.js is typically brought in for.
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.
SourceESLint: 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.
SourceESLint: 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.
SourceRelated pages
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