Is ESLint free and open source?

Yes. ESLint is free and open source, released under the MIT license. You can view and contribute to the source at https://github.com/eslint/eslint.

What language is ESLint written in?

ESLint is primarily written in JavaScript.

Other open-source developer tools & cli tools on OSSDrop include VS Code, Oh My Zsh, MarkItDown, Go.

Curated

Pluggable linter that finds and fixes problems in JavaScript and TypeScript code.

Developer Tools & CLI·MIT·JavaScript·27.5k stars·added 2026-08-28

Curated listing — added by OSSDrop, not the maker.

Add this to your site or README. It shows your live OSSDrop standing and links back — no account needed.

HTML

<a href="https://ossdrop.com/tool/eslint"><img src="https://ossdrop.com/badge/eslint" width="250" height="56" alt="ESLint on OSSDrop" /></a>

Markdown

[![ESLint on OSSDrop](https://ossdrop.com/badge/eslint)](https://ossdrop.com/tool/eslint)

What is ESLint?
ESLint is an open-source developer tools & cli tool — Pluggable linter that finds and fixes problems in JavaScript and TypeScript code. It is written in JavaScript.
Is ESLint free and open source?
Yes. ESLint is free and open source, released under the MIT license. You can view and contribute to the source at https://github.com/eslint/eslint.
What language is ESLint written in?
ESLint is primarily written in JavaScript.
What are open-source alternatives to ESLint?
Other open-source developer tools & cli tools on OSSDrop include VS Code, Oh My Zsh, MarkItDown, Go.

No comments yet.