Work · alternatives · 2026

LDS is a JavaScript library implementing data structures using typed arrays for memory-intensive applications. It addresses the ~1.5GB memory limit of Node.js v8 by leveraging typed arrays, which operate outside this… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. JavaScript typed arrays data structures for memory intensive tasks launched in 2015; newer entries below may have overtaken it.

1. 1
   Array with Constant Time Access and Fast Insertion and Deletion▲300

   Contribute to igushev/IgushArray development by creating an account on GitHub.

   2019 · github.com · its alternatives →

2. 2
   Weird JSON superset with BigInt, Infinity, TypedArray etc▲67

   the JS/Node.JS library for encoding complex and unconventional data structures. Support for BigInts, TypedArrays, null, undefined, and Symbol. Multiple flavors available. - DO-SAY-GO/WeirdJSON

   2020 · github.com · its alternatives →

3. 3
   ByteArray.js – A binary library for JavaScript▲36

   2018 · github.com · its alternatives →

4. 4
   Moon – fast 7k Vue alternative▲268

   🌙 The minimal & fast library for functional user interfaces - kbrsh/moon

   2017 · github.com · its alternatives →

5. 5GJ
   Grid.js – Advanced table library that works everywhere▲390

   Grid.js is a lightweight JavaScript table plugin that works on all web browsers and devices. Grid.js is open-source and it helps you create advanced tables in seconds!

   2020 · gridjs.io · its alternatives →

6. 6
   1 KB JavaScript library for building front end apps▲242

   1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

   2017 · github.com · its alternatives →

7. 7
   StrelkiJS - small library to index and SQL-join in-memory collections▲41

   Hash array library for JavaScript. Contribute to amaksr/Strelki.js development by creating an account on GitHub.

   2016 · github.com · its alternatives →

8. 8AI
   An Isomorphic JavaScript Framework Faster Than React▲337

   2015 · jsblocks.com · its alternatives →

9. 9
   HMPL▲200

   HMPL.js is a lightweight server-oriented template language for JavaScript. Fetch HTML, render it safely, and keep apps dynamic, modern, and small. Alternative to HTMX and Alpine.js.

   Dec 2025 · hmpl-lang.dev · its alternatives →

10. 10
    Jax-JS, array library in JavaScript targeting WebGPU▲84

    JAX in pure JavaScript, as a flexible machine learning library and compiler.

    Jan 2026 · ss.ekzhang.com · its alternatives →

11. 11
    Monkberry – a JavaScript library for building web user interfaces▲115

    Monkberry is blazingly fast, small 1kb and simple JavaScript library for building web user interfaces.

    2016 · monkberry.js.org · its alternatives →

12. 12
    1 KB JavaScript library for building applications▲116

    1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

    2017 · github.com · its alternatives →

13. 13WJ
    Way.js – Simple, persistent, framework-agnostic two-way databinding▲162

    2014 · gwendall.github.io · its alternatives →

14. 14
    Advanced Mathematics Library for Node.js and JavaScript▲123

    Advanced Mathematics Library for Node.js and JavaScript - numbers/numbers.js

    2012 · github.com · its alternatives →

15. 15
    A Fast, Malloc-Free C++14 Json Parser and Encoder▲98

    Meta programming utilities for C++14. Merged in matt-42/lithium - matt-42/iod

    2014 · github.com · its alternatives →

16. 16
    Fast 2kB date library alternative to Moment.js with the same API▲122

    ⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API - iamkun/dayjs

    2018 · github.com · its alternatives →

17. 17
    1kb JavaScript library for building front end applications▲187

    1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

    2017 · github.com · its alternatives →

18. 18
    Rain hashes – well designed, simple and fast variable sized hashes▲79

    The fastest 128-bit and 256-bit hash, passes all tests, and under 140 source lines of code. API library and CLI tool in C++ and NodeJS/Wasm - DOSAYGO-STUDIO/rain

    2024 · github.com · its alternatives →

19. 19UJ
    Uint1Array – JavaScript Bit Array▲24

    2017 · npmjs.com · its alternatives →

20. 20
    Moon – 3kb JavaScript UI compiler▲71

    The purely functional user interface library that

    2018 · kbrsh.github.io · its alternatives →

21. 21
    Remult – a CRUD framework for full-stack TypeScript▲130

    Full-stack CRUD, simplified, with SSOT TypeScript entities - remult/remult

    2022 · github.com · its alternatives →

22. 22
    Faster.js – a micro-optimizing JavaScript compiler▲89

    faster.js is a Babel plugin that compiles idiomatic Javascript to faster, micro-optimized Javascript. - vzhou842/faster.js

    2018 · github.com · its alternatives →

23. 23
    CalDOM: An agnostic, reactive and minimalist JavaScript UI library▲107

    An agnostic, reactive & minimalist (3kb) JavaScript UI library with direct access to native DOM.

    2021 · caldom.org · its alternatives →

24. 24
    SuperUtilsPlus – A Modern Alternative to Lodash▲91

    Hey HN! After years of wrestling with Lodash's quirks and bundle size issues, I decided to build something better. SuperUtilsPlus is my attempt at creating the utility library I wish existed. What makes it different? TypeScript-first approach: Unlike Lodash's retrofitted types, I built this from the ground up with TypeScript. The type inference actually works the way you'd expect it to. Sensible defaults: Some of Lodash's decisions always bugged me. Like isObject([]) returning true - arrays aren't objects in my mental model. Or isNumber(NaN) being true when NaN literally stands for "Not a…

    2025 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →