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cap-rand

v4.0.2 Stable

Capability-based random number generators

Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT Edition 2021
Algorithms #random#rng

Quick Verdict

  • Actively maintained (updated 40d ago)
  • Stable API (4.x for 5+ years)
  • Trusted by 348 crates
  • Tiny footprint (10KB, 3 deps)
  • Permissive license (Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT)

Security

Checking security advisories...
Downloads
8.4M
Dependents
348
Releases
86
Size
10KB

Deep Insights

📈
Strong growth momentum

795.1K downloads in the last 30 days (26.5K/day), up 35% from the previous period.

🔗
Moderate adoption

348 crates depend on cap-rand. Reasonable ecosystem adoption, though not yet a core dependency.

👤
Prolific maintainer

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

Stable for 5+ years

The API has been stable (1.x) for over 5 years with 86 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🪶
Minimal dependencies

Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

📐
Compact crate

At 10KB, cap-rand is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include wasmtime-wasi, wasi-common, wasi-cap-std-sync, wasmlet, wasmx. When high-quality crates choose cap-rand, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 21/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
20K/day avg+75%
010K20K30K40K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v3.4.4
32%
v3.4.5
30%
v3.0.0
13%
v3.4.1
13%
v3.4.2
12%

Release Timeline

86 releases2 yankedsince 2020
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2020
5
2021
29
2022
23
2023
14
2024
9
2025
4
2026
2
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Yanked

Feature Flags

small_rng

README

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Maintainers

Dependencies
3
direct dependencies
Dependents
348
crates depend on cap-rand

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