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Alternatives · Data / numerics

Alternatives to ndarray on crates.io

For tabular data, vectorised numerics and analysis. Below are packages that fill the same role — on crates.io, and across other ecosystems.

crates.io In crates.io

DataFrame library based on Apache Arrow

MaintenanceHealthy

PopularityWidely used

Solid choice. Well-adopted and active, actively maintained.

Cross-language equivalents

npm· JavaScript

JavaScript library providing high performance, intuitive, and easy to use data structures for manipulating and processing structured data.

MaintenanceAging

PopularityNiche

Aging — last published over a year ago — check before adopting.

PyPI· Python

Powerful data structures for data analysis, time series, and statistics

MaintenanceHealthy

PopularityTop 1%

Safe default. Widely trusted across the ecosystem, actively maintained.

Blazingly fast DataFrame library

MaintenanceHealthy

PopularityTop 1%

Safe default. Widely trusted across the ecosystem, actively maintained.

Fundamental package for array computing in Python

MaintenanceHealthy

PopularityTop 1%

Safe default. Widely trusted across the ecosystem, actively maintained.

RubyGems· Ruby

Daru (Data Analysis in RUby) is a library for analysis, manipulation and visualization of data. Daru works seamlessly accross interpreters and leverages interpreter-specific optimizations whenever they are available. It is the default data storage gem for all the statsample gems (glm, timeseries, etc.) and can be used with many others like mixed_models, gnuplotrb, nyaplot and iruby.

MaintenanceAbandoned

PopularityNiche

Abandoned. Last published 6 years ago.

These suggestions come from a hand-curated concept map of canonical packages per role. They’re intentionally narrow — only widely-adopted packages in each category. Phase 5 will add AI-generated alternatives.