Astral
@astral-sh • High-performance developer tools for the Python ecosystem, from @OpenAI.. Use this route to separate flagship concentration from portfolio breadth before you treat a publisher as broadly strong.
Portfolio concentration
90%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
30 repos
Visible snapshot
24 repositories updated in the last 90 days.
Leading language
Unknown
Portfolio mix
Unknown (9), Python (8), Rust (7)
Average size
18
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
Updated: 2026-09-09(1d ago)GitHub API fallback30 repositories
90%
of the visible star count comes from this organization's top three repositories.
18
stars per repository in this same snapshot.
Unknown
is the most common language here, with 24 repositories updated in the last 90 days.
Why this rank
This organization stands out because one flagship repo drives 58% of its visible star count.
Flagship share 58%Breakout repo: hawk
Organization pages work best when you separate portfolio breadth from flagship concentration. In Astral's case, the visible top three repositories account for about 90% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is Unknown (9), Python (8), Rust (7). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | Stars |
|---|---|---|---|
| 1 | astral-sh/hawk A workspace-aware Cargo lint for unnecessary public Rust APIs. | Rust | 311 |
| 2 | astral-sh/ty-pre-commit A pre-commit hook for ty. | Python | 149 |
| 3 | astral-sh/multiplay multi-typechecker playground | JavaScript | 20 |
| 4 | astral-sh/attest-action Generates PEP 740 attestations for your Python package distributions. | Python | 10 |
| 5 | astral-sh/tar-codec A strict, constrained, async tar encoder/decoder for Rust | Rust | 9 |
| 6 | astral-sh/war Paperware for a Way better ARchive format for Python packaging | 9 | |
| 7 | astral-sh/versions | Python | 5 |
| 8 | astral-sh/image Encoding and decoding images in Rust | 4 | |
| 9 | astral-sh/renovate-config Org-wide Renovate presets | 4 | |
| 10 | astral-sh/uv-dev A development copy of uv | Rust | 3 |
| 11 | astral-sh/schlepper A pure-Python version of `wrangler pages deploy` | Python | 3 |
| 12 | astral-sh/termux-python Termux Docker image with Python pre-installed | Dockerfile | 3 |
| 13 | astral-sh/toucan A C frontend, written in Rust, for generating Rust bindings without libclang. | Rust | 2 |
| 14 | astral-sh/actionlint Astral's fork of actionlint, a static checker for GitHub Actions workflow files | Go | 1 |
| 15 | astral-sh/conveyor-belt Moves and transforms release assets across repositories | Python | 1 |
| 16 | astral-sh/char_str Compact, clone-on-write string for Rust. | Rust | 1 |
| 17 | astral-sh/lean_string Compact, clone-on-write string for Rust. | Rust | 1 |
| 18 | astral-sh/aghs-testbed-policies | 0 | |
| 19 | astral-sh/thin-vec A Vec That Has a Smaller size_of | 0 | |
| 20 | astral-sh/rust-smallvec "Small vector" optimization for Rust: store up to a small number of items on the stack | 0 | |
| 21 | astral-sh/aghs-testbed Testbed for Astral GitHub services: STS, environment-gate, and dispatch. | 0 | |
| 22 | astral-sh/github-actions Shared GitHub Actions for Astral projects | Shell | 0 |
| 23 | astral-sh/peps Python Enhancement Proposals | reStructuredText | 0 |
| 24 | astral-sh/cargo-fixit Proposed fixit commands for cargo | 0 | |
| 25 | astral-sh/crates-policies | Python | 0 |
| 26 | astral-sh/uv-dynamic-requires-python-test Git fixture for uv tests covering static and dynamic requires-python metadata | Python | 0 |
| 27 | astral-sh/juwunit Small JUnit XML serialization/deserialization for Python | Rust | 0 |
| 28 | astral-sh/rust-sdks LiveKit realtime and server SDKs for Rust | 0 | |
| 29 | astral-sh/futzed-wheels Python wheels that are futzed with | Python | 0 |
| 30 | astral-sh/pyx-docs-mirror Mirror of pyx documentation for offline access and LLM context | HTML | 0 |
Next step after the organization read
Open a flagship repository, compare a couple of portfolio leaders, or return to the organization map when you want a broader concentration read.
Learn and methodology
Keep trust-building context reachable, but behind the first data read instead of ahead of it.
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.