Astral vs JSR
AstralDeveloper Tools
Open sourcePublished price
JSRDeveloper Tools
FreePublished price
Astral Developer Tools Fast Python tooling for modern engineering teams. | JSR Developer Tools The open-source package registry for modern JavaScript and TypeScript | |
|---|---|---|
| Overview | ||
| Category | Developer Tools | Developer Tools |
| What it is | Astral builds modern Python tooling like Ruff and uv to improve developer speed, consistency, and dependency workflows. | JavaScript registry for modern JavaScript and TypeScript backed by Deno with excellent tooling. |
| Pricing | ||
| Published price | Open source Astral's shipped products, Ruff (linter/formatter) and uv (package/project manager), are free and open source (MIT/Apache 2.0). The company is VC-backed and has not launched a pai… | Free JSR is a free, open-source JavaScript/TypeScript package registry (built by the Deno team). Publishing and installing packages is free; there is no paid tier or subscription. |
| Pricing model | Free | Not available |
| Free options | Free plan · No free trial | Free plan · No free trial |
| Deal on Cubbie | None right now | None right now |
| Company | ||
| Founded | 2022 | 2024 |
| Team size | 11-50 employees | 51-200 employees |
| Headquarters | Brooklyn, NY | San Francisco, CA |