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cap-std

v4.0.2 Stable

Capability-based version of the Rust standard library

Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT Edition 2021
FilesystemNetwork programming #file#network#api#std

Quick Verdict

  • โœ“Actively maintained (updated 40d ago)
  • โœ“Stable API (4.x for 5+ years)
  • โœ“Massive adoption (1.5K crates depend on it)
  • โœ“Permissive license (Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT)

Security

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Downloads
9.1M
Dependents
1.5K
Releases
92
Size
37KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

897.0K downloads in the last 30 days (29.9K/day), up 41% from the previous period.

๐Ÿ”—
Widely adopted

1.5K crates depend on cap-std. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 129 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 5+ years

The API has been stable (1.x) for over 5 years with 92 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 36KB, cap-std is lightweight. Small crate size correlates with focused, well-scoped functionality.

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Used by top crates

Notable dependents include cap-fs-ext, cap-time-ext, system-interface, cap-net-ext, wasmtime-wasi. When high-quality crates choose cap-std, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 17/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
22K/day avg+84%
010K20K30K40K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v3.4.4
32%
v3.4.5
30%
v3.4.2
14%
v3.0.0
12%
v3.4.1
12%

Release Timeline

92 releases2 yankedsince 2020
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2020
9
2021
31
2022
23
2023
14
2024
9
2025
4
2026
2
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Yanked

Feature Flags

fs_utf8arf_strings

README

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Maintainers

Dependencies
6
direct dependencies
Dependents
1.5K
crates depend on cap-std

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