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Open-source projects categorized as Array
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JavaScript Data structures Python JSON Arrays
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Top 23 Array Open-Source Projects

Array

  1. MJExtension

    A fast, convenient and nonintrusive conversion framework between JSON and model. Your model class doesn't need to extend any base class. You don't need to modify any model file.

  2. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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  3. algodeck

    An Open-Source Collection of Flash Cards to Help You Preparing Your Algorithms & Data Structures and System Design Interviews 💯

  4. map

    PHP arrays and collections made easy

  5. vortex

    An extensible, state-of-the-art framework for columnar compression, and the fastest FOSS columnar file format. Formerly at @spiraldb, now an Incubation Stage project at LFAI&Data, part of the Linux Foundation.

    Project mention: Show HN: Continuous Nvidia CUDA PC Sampling Profiler | news.ycombinator.com | 2026-06-15

    Thanks! I think most performance debugging happens during development, what we're bringing to the table is exposure of system behavior in production which often diverges from production because of changes in the shape of workloads from development which are often simplistic and synthetic. So I'd say its late-stage performance debugging and production observability combined that makes this useful.

    Stay tuned for a follow on post where we show how we used this to optimize an FSST decompression kernel for [vortex](https://github.com/vortex-data/vortex).

  6. Collections-C

    A library of generic data structures for the C language.

  7. core

    Elm's core libraries (by elm)

  8. hypersistence-utils

    The Hypersistence Utils library (previously known as Hibernate Types) gives you Spring and Hibernate utilities that can help you get the most out of your data access layer.

  9. PyCUDA

    CUDA integration for Python, plus shiny features

  10. ts-belt

    🔧 Fast, modern, and practical utility library for FP in TypeScript.

  11. collection

    :card_index_dividers: A PHP library for representing and manipulating collections. (by ramsey)

    Project mention: PHP collection libraries in 2026: doctrine, illuminate, loophp, noctud, ramsey | dev.to | 2026-04-28

    Framework-free, PHP 8.1 to 8.3, want runtime type checks: ramsey/collection. Expect a minimal API surface (sub-collections don't compose) and #133 for indexed removals.

  12. array-to-xml

    A simple class to convert an array to xml

  13. pyopencl

    OpenCL integration for Python, plus shiny features

  14. deep-object-diff

    Deep diffs two objects, including nested structures of arrays and objects, and returns the difference. ❄️

  15. mlib

    Library of generic and type safe containers in pure C language (C99 or C11) for a wide collection of container (comparable to the C++ STL).

    Project mention: M*LIB The STL library for modern C | news.ycombinator.com | 2025-10-11

  16. NetFabric.Hyperlinq

    High performance LINQ implementation with minimal heap allocations. Supports enumerables, async enumerables, arrays and Span<T>.

  17. c-vector

    A dynamic array implementation in C similar to the one found in standard C++

  18. structurae

    Data structures for high-performance JavaScript applications.

  19. loopy

    A code generator for array-based code on CPUs and GPUs (by inducer)

  20. vscode-data-preview

    Data Preview 🈸 extension for importing 📤 viewing 🔎 slicing 🔪 dicing 🎲 charting 📊 & exporting 📥 large JSON array/config, YAML, Apache Arrow, Avro, Parquet & Excel data files

  21. Arrayy

    🗃 Array manipulation library for PHP, called Arrayy!

  22. blitz

    Blitz++ Multi-Dimensional Array Library for C++ (by blitzpp)

  23. massiv

    Efficient Haskell Arrays featuring Parallel computation

  24. hashmap

    HashMap JavaScript class for Node.js and the browser. The keys can be anything and won't be stringified (by flesler)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

What are some of the best open-source Array projects? This list will help you:

# Project Stars
1 MJExtension 8,505
2 algodeck 5,819
3 map 4,301
4 vortex 3,028
5 Collections-C 2,995
6 core 2,830
7 hypersistence-utils 2,658
8 PyCUDA 2,046
9 ts-belt 1,197
10 collection 1,197
11 array-to-xml 1,197
12 pyopencl 1,140
13 deep-object-diff 1,140
14 mlib 1,127
15 NetFabric.Hyperlinq 901
16 c-vector 884
17 structurae 731
18 loopy 630
19 vscode-data-preview 593
20 Arrayy 488
21 blitz 417
22 massiv 414
23 hashmap 383

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