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Stdlib Alternatives
Similar projects and alternatives to stdlib
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Servo
Servo aims to empower developers with a lightweight, high-performance alternative for embedding web technologies in applications.
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stdlib discussion
stdlib reviews and mentions
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Connect with the stdlib community on Zulip
The stdlib team is active in the chat, and public messages are the best way to get timely help—no need for routine @-mentions. Asking questions in public is the fastest way to get a response, as more people can help, plus it's likely that someone else will benefit from finding out the answer to your question. The stdlib Code of Conduct applies to all community spaces, including stdlib's Zulip. Should you encounter an issue, Zulip's reporting tools and our moderation team are available.
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Using AI in the development of stdlib
Given that stdlib's involvement is central to my perspective, it's worth providing some context on the project. stdlib is a comprehensive open-source standard library for JavaScript and Node.js, with a specific and ambitious goal: to be the fundamental library for numerical and scientific computing on the web. It is a large-scale project with well over 5 million source lines of JavaScript, C, Fortran, and WebAssembly, and composed of thousands of independently consumable packages, bringing the rigor of high-performance mathematics, statistics, and machine learning to the JavaScript ecosystem. Think of it as a foundational layer for data-intensive applications similar to the roles NumPy and SciPy serve in the Python ecosystem. In short, stdlib isn't your average JavaScript project.
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GSoC 2025 Projects Announced
We hope that you'll join us in our mission to advance cutting-edge scientific computation in JavaScript. Start by showing your support and starring the project on GitHub today: https://github.com/stdlib-js/stdlib.
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Google Summer of Code 2025
From integrating BLAS bindings and optimizing special mathematical functions to enhancing support for boolean arrays and improving our interactive REPL experience, their work strengthened the foundation of stdlib and paved the way for even greater advancements. Beyond just code, their contributions sparked deeper engagement within our community, leading to over 2,000 pull requests from more than 100 contributors and 3,000+ new commits to stdlib since February 2024.
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LAPACK in your web browser
Readers of this blog who are familiar with LAPACK are likely to not be intimately familiar with the wild world of web technologies. For those coming from the world of numerical and scientific computation and have familiarity with the scientific Python ecosystem, the easiest way to think of stdlib is as an open source scientific computing library in the mold of NumPy and SciPy. It provides multi-dimensional array data structures and associated routines for mathematics, statistics, and linear algebra, but uses JavaScript, rather than Python, as its primary scripting language. As such, stdlib is laser-focused on the web ecosystem and its application development paradigms. This focus necessitates some interesting design and project architecture decisions, which make stdlib rather unique when compared to more traditional libraries designed for numerical computation.
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The Accessor Protocol
A brief overview about stdlib. stdlib is a standard library for numerical and scientific computation for use in web browsers and in server-side runtimes supporting JavaScript. The library provides high-performance and rigorously tested APIs for data manipulation and transformation, mathematics, statistics, linear algebra, pseudorandom number generation, array programming, and a whole lot more.
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How to call Fortran routines from JavaScript with Node.js
For more details on how we author Node-API native add-ons and leverage macros and various utilities for simplifying the add-on creation process, the best place to start is by browsing stdlib source code. For the examples explored in this post, we've brushed aside some of the complexity in ensuring cross-platform configuration portability (looking at you Windows!) and in specifying compiler options for optimizing compiled code. For those interested in learning more, you'll find many more examples throughout the codebase, and, if you have questions, don't be afraid to stop by and say hi! 👋
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Node still seems better than python after all this time for web server speed but..
Numpy is a library - node.js has plenty of them, what is missing? There is stdlib package that offers optimized math functions, for example.
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Servo, the parallel browser engine written in Rust
Websites do the same thing as 15 years ago? Not true, websites can now exceed desktop apps. Was their figma 15 years ago?
20 times more complex - this comes with doing more. 15 years ago there was no CI/CD.
Write CSS - don’t have to given Sass, components, and bootstrap.
Performance is worse - look at v8 benchmarks, look at webgl and Wasm. The browser itself can run much faster today, and people are doing more with it.
JS barebones - just one package. https://github.com/stdlib-js/stdlib. - and the node ecosystem is a feature not a bug.
Look elsewhere - every other UI framework we’ve tried before has been worse in terms of compatibility, functionality, flexibility, and available prebuilt tooling.
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“True” Randomness vs. “Pseudo” Randomness
two of the best PRNG libs for JS/TS: https://github.com/transitive-bullshit/random and https://github.com/stdlib-js/stdlib
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Stats
stdlib-js/stdlib is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of stdlib is JavaScript.