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wasmtime-wasi

v43.0.0 Stable

WASI implementation in Rust

Apache-2.0 WITH LLVM-exception Edition 2024 MSRV 1.91.0
WebAssembly #wasm#webassembly

Quick Verdict

  • โœ“Actively maintained (updated 7d ago)
  • โœ“Stable API (43.x for 6+ years)
  • โœ“Massive adoption (3.3K crates depend on it)
  • โœ“Team maintained (2 owners)
  • !Heavy dependency tree (29 direct deps)

Security

Checking security advisories...
Downloads
5.2M
Dependents
3.3K
Releases
179
Size
221KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

596.0K downloads in the last 30 days (19.9K/day), up 41% from the previous period.

๐Ÿ”—
Widely adopted

3.3K crates depend on wasmtime-wasi. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 151 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 6+ years

The API has been stable (1.x) for over 6 years with 179 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

29 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include wasmtime-wasi-http, wasmtime-c-api-impl, wrpc-runtime-wasmtime, wasmtime-wasi-nn, deterministic-wasi-ctx. When high-quality crates choose wasmtime-wasi, it's a strong quality signal.

Health Breakdown

Maintenance 20/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 18/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
14K/day avg+106%
010K20K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v38.0.4
34%
v29.0.1
23%
v31.0.0
19%
v26.0.1
14%
v6.0.1
10%

Release Timeline

179 releasessince 2019
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2019
4
2020
13
2021
12
2022
29
2023
34
2024
35
2025
35
2026
17
Less
More

Feature Flags

default =["p1", "p2"]

p0p1*p2*p3

README

Loading README...

Maintainers

Dependencies
29
direct dependencies
Dependents
3.3K
crates depend on wasmtime-wasi

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