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calamine

v0.35.0 Growing

An Excel/OpenDocument Spreadsheet reader and deserializer in pure Rust

MIT Edition 2021 MSRV 1.83
EncodingParsing toolsText processing #excel#xls#ods#xlsx#xlsb

Quick Verdict

  • โœ“Actively maintained (updated 15d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (2.5K crates depend on it)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
8.0M
Dependents
2.5K
Releases
80
Size
136KB

Deep Insights

๐Ÿ“Š
Stable downloads

791.8K downloads in the last 30 days (26.4K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Widely adopted

2.5K crates depend on calamine. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 9+ years old, calamine hasn't reached 1.0 yet. Expect potential API changes between versions.

๐ŸŒŸ
Used by top crates

Notable dependents include duckdb, spider_transformations, nu-command, investments, omniparse. When high-quality crates choose calamine, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
27K/day avg-5%
010K20K30K40K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.28.0
61%
v0.34.0
11%
v0.32.0
11%
v0.31.0
10%
v0.29.0
6%

Release Timeline

10 releasessince 2025
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2026
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Feature Flags

dateschronopicture

README

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Maintainers

Dependencies
16
direct dependencies
Dependents
2.5K
crates depend on calamine

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