open sourceopen source · MITlast verified September 6, 2026official site ↗
At a glance
100% free and open source under the MIT License hosted by the OpenJS Foundation ($0 software cost). ESLint is the standard pluggable JavaScript and TypeScript linter with zero licensing fees.
Self-hosting cost
ESLint is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.
100% free and open source under the MIT License hosted by the OpenJS Foundation ($0 software cost). ESLint is the standard pluggable JavaScript and TypeScript linter with zero licensing fees.
Does ESLint have a free plan?
Yes — ESLint is open source and free to use.
Can you self-host ESLint for free?
ESLint is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.
What are free or cheaper ESLint alternatives?
Cilium, OrbStack, Ray are in the same category with a free plan or open-source license.
pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.