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simple_logger

v5.2.0 Stable

A logger that prints all messages with a readable output format

MIT Edition 2018

Quick Verdict

  • โœ“Actively maintained (updated 38d ago)
  • โœ“Stable API (5.x for 11+ years)
  • โœ“Massive adoption (7.3K crates depend on it)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
42.1M
Dependents
7.3K
Releases
37
Size
12KB

Deep Insights

๐Ÿ“Š
Steady growth

1.9M downloads in the last 30 days (63.0K/day), up 2% from the previous period.

๐Ÿ”—
Widely adopted

7.3K crates depend on simple_logger. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

simple_logger has only 1 owner despite 7.3K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

โœ…
Stable for 11+ years

The API has been stable (1.x) for over 11 years with 37 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 12KB, simple_logger is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include sqlparser, icu_calendar, statsig-rust, puffin_http, postage. When high-quality crates choose simple_logger, it's a strong quality signal.

Health Breakdown

Maintenance 16/25

Recency, release consistency, active ratio

Quality 22/25

Yanked ratio, deps, size, maturity, features

Community 10/20

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
58K/day avg+5%
050K100K150K12/301/172/42/223/123/29

Top Dependents

Version Adoption

v1.16.0
29%
v4.2.0
28%
v4.3.3
21%
v5.0.0
17%
v2.3.0
5%

Release Timeline

37 releasessince 2015
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2015
5
2016
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2018
3
2019
3
2020
7
2021
6
2022
6
2023
4
2024
1
2025
1
2026
1
Less
More

Feature Flags

default =["colors", "timestamps"]

colors*stderrnightlythreadstimestamps*

README

Loading README...

Maintainers

Dependencies
4
direct dependencies
Dependents
7.3K
crates depend on simple_logger