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libz-sys

v1.1.25 Stable

Low-level bindings to the system libz library (also known as zlib).

MIT OR Apache-2.0 Edition 2018

Quick Verdict

  • โœ“Actively maintained (updated 18d ago)
  • โœ“Stable API (1.x for 11+ years)
  • โœ“Massive adoption (2.0K crates depend on it)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
170.7M
Dependents
2.0K
Releases
65
Size
880KB

Deep Insights

๐Ÿ“Š
Steady growth

9.5M downloads in the last 30 days (317.5K/day), up 15% from the previous period.

๐Ÿ”—
Widely adopted

2.0K crates depend on libz-sys. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 215 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 11+ years

The API has been stable (1.x) for over 11 years with 65 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐ŸŒŸ
Used by top crates

Notable dependents include flate2, libgit2-sys, curl-sys, libssh2-sys, rdkafka-sys. When high-quality crates choose libz-sys, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 18/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 9/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
263K/day avg+57%
0100K200K300K400K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.1.22
29%
v1.1.8
22%
v1.1.12
21%
v1.1.20
15%
v1.1.15
13%

Release Timeline

65 releases5 yankedsince 2014
J
F
M
A
M
J
J
A
S
O
N
D
2014
2
2015
10
2016
10
2017
8
2018
7
2019
2020
5
2021
1
2022
5
2023
4
2024
8
2025
3
2026
2
Less
More|
Yanked

Feature Flags

default =["libc", "stock-zlib"]

asmstaticzlib-ngstock-zlib*zlib-ng-no-cmake-experimental-community-maintained

README

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Maintainers

Dependencies
5
direct dependencies
Dependents
2.0K
crates depend on libz-sys

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