Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
Free and open source
Open sourceFrom $8 per user/month (indicative, Ultimate)
Free tierWhat drives the bill
The metric that actually scales your invoice.
Free and open source. You pay in engineering time and CI minutes.
Priced per active contributor; cheaper than SonarQube for JetBrains-centric teams.
Free tier
Everything, self-hosted
Community linters are free; Ultimate has a trial.
Open source
MIT
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Widely used
Biome / OSS community · since 2023
Established
JetBrains · since 2021
Strengths
Limitations
Best for
New JavaScript projects and teams frustrated by lint performance.
JetBrains-standardised teams, especially in Java and Kotlin.
All of these integrate with: GitHub Actions.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.