Frontend Frameworks

ndarray

Multidimensional arrays for JavaScript.

Status
Generally available
Last checked
Checked · Oct 16, 2026
License
Open source
Pricing
Free tier · from $0

What it is

ndarray provides multidimensional array capabilities in JavaScript, making it easier to handle complex data structures and perform operations on them. It is particularly useful for scientific computing and data manipulation tasks.

ndarray stands out by providing a robust and efficient way to handle multidimensional arrays in JavaScript, making it an essential tool for scientific computing and data-intensive applications.

When it fits — and when it doesn’t

A good fit for

  • Developers working on scientific projects that require efficient handling of multidimensional arrays.

  • Projects needing to perform complex data manipulations and operations within a JavaScript environment.

Look elsewhere if

  • Applications requiring real-time streaming or high-frequency updates, as ndarray is optimized for batch processing.

  • Use cases where the primary focus is on text-based natural language processing tasks without significant array manipulation needs.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited ecosystem integrations compared to numpy

    Fewer third-party libraries and tools are built around ndarray than numpy in Python

  2. 02

    Performance may degrade with very large datasets due to JavaScript limitations

    JavaScript's memory management can lead to performance issues with extremely large arrays

What it does well

  • Supports multidimensional arrays

  • Efficient memory usage for large datasets

  • Flexible indexing and slicing capabilities

  • Compatibility with other scientific computing libraries

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up ndarray

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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