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wit-bindgen

v0.54.0 Growing

Rust bindings generator and runtime support for WIT and the component model. Used when compiling Rust programs to the component model.

Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT Edition 2024 MSRV 1.87.0

Quick Verdict

  • โœ“Actively maintained (updated 11d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (1.3K crates depend on it)
  • โœ“Permissive license (Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT)

Security

Checking security advisories...
Downloads
58.3M
Dependents
1.3K
Releases
62
Size
68KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

16.8M downloads in the last 30 days (558.9K/day), up 40% from the previous period.

๐Ÿ”—
Widely adopted

1.3K crates depend on wit-bindgen. 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.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 4+ years old, wit-bindgen hasn't reached 1.0 yet. Expect potential API changes between versions.

๐ŸŒŸ
Used by top crates

Notable dependents include wasip2, wasip3, fastly-sys, libsodium-sys-stable, zed_extension_api. When high-quality crates choose wit-bindgen, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 9/20

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
405K/day avg+87%
0200K400K600K800K12/301/172/42/223/123/29

Top Dependents

Version Adoption

v0.46.0
54%
v0.51.0
27%
v0.45.0
11%
v0.45.1
7%
v0.41.0
1%

Release Timeline

62 releases2 yankedsince 2021
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2021
1
2022
2023
16
2024
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2025
17
2026
5
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Yanked

Feature Flags

default =["macros", "realloc", "async", "std", "bitflags"]

std*async*macros*realloc*bitflags*async-spawnrustc-dep-of-stdinter-task-wakeup

README

Loading README...

Maintainers

Dependencies
5
direct dependencies
Dependents
1.3K
crates depend on wit-bindgen