Life & fun · alternatives · 2026
24 alternatives to JavaScript port of Scientist library for refactoring critical paths
:microscope: A JavaScript interpretation of the Ruby library Scientist, a library for carefully refactoring critical paths. - bugthesystem/scientist.js
Scientist.js is a JavaScript library that enables developers to safely refactor critical code paths by running experimental code alongside production code and comparing results. It ports the Ruby Scientist library… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. JavaScript port of Scientist library for refactoring critical paths launched in 2016; newer entries below may have overtaken it.
- 1
Achieving confident refactoring through experimentation with Python 2.7 & 3.3+ - joealcorn/laboratory
2016 · github.com · its alternatives →
- 2WP
2013 · usablica.github.com · its alternatives →
- 3
Chart.js▲263Simple, clean & engaging charts for designers and developers
2014 · chartjs.org · its alternatives →
- 4
- 5
Pts is a javascript library for visualization and creative-coding.
2018 · ptsjs.org · its alternatives →
- 6
Faster user-land reimplementations for several common builtin native JavaScript functions. - codemix/fast.js
2014 · github.com · its alternatives →
- 7AI
2015 · jsblocks.com · its alternatives →
- 8
Genetic algorithm library written in JavaScript. Contribute to lodenrogue/genetic-algorithm-js development by creating an account on GitHub.
2020 · github.com · its alternatives →
- 9
A Ruby library for carefully refactoring critical paths.
2016 · github.com · its alternatives →
- 10
Chart.js 2.0▲440Simple, clean & engaging charts for designers & developers.
2016 · chartjs.org · its alternatives →
- 11
particles.js▲113A lightweight JavaScript library for creating particles.
2014 · vincentgarreau.com · its alternatives →
- 12
Zuck.js▲391JavaScript library that lets you add Stories everywhere
2017 · ramon.codes · its alternatives →
- 13
🥞Data Structures and Algorithms explained and implemented in JavaScript + eBook - amejiarosario/dsa.js-data-structures-algorithms-javascript
2019 · github.com · its alternatives →
- 14
A javascript library that lets you add stories EVERYWHERE. - ramonszo/zuck.js
2017 · github.com · its alternatives →
- 15AJ
2014 · jackdcrawford.github.io · its alternatives →
- 16
This R statistical nmath module re-created in typescript/javascript and handwritten webassembly. - R-js/libRmath.js
2018 · github.com · its alternatives →
- 17
Chart.js 4.0▲111Open source JavaScript charting library for the modern web
2022 · github.com · its alternatives →
- 18
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Danfo.js▲109Open Source JavaScript library for manipulating data.
2020 · github.com · its alternatives →
- 20
Find the origin of any character in the DOM
2019 · fromjs.com · its alternatives →
- 21
Powerful pattern matching for Javascript. Contribute to natefaubion/matches.js development by creating an account on GitHub.
2012 · github.com · its alternatives →
- 22
JAX in pure JavaScript, as a flexible machine learning library and compiler.
Jan 2026 · ss.ekzhang.com · its alternatives →
- 23
An agnostic, reactive & minimalist (3kb) JavaScript UI library with direct access to native DOM.
2021 · caldom.org · its alternatives →
- 24
A chainable, callable mock object which always returns itself - slmgc/Nothing
2018 · github.com · its alternatives →
Also compare
- Laboratory, a Python port of GitHub's Scientist library for refactoring alternatives
- Weekend project, Intro.js alternatives
- Chart.js alternatives
- NotebookJS alternatives
- Pts.js – A library for visualization and creative coding alternatives
- Fast.js – faster reimplementations of native JavaScript functions 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 →