Awesome JavaScript Data Science

A curated list of awesome libraries for doing data science in your browser or Node.js environment. That doesn't just mean JavaScript - thanks to WebAssembly, many data science libraries from other languages are now available in the browser.

If you want to contribute to this list (please do), create a pull request.

Contents

• Environments
• Data Formats
• Data Munging
• Math and Statistics
• Machine learning
• Natural Language Processing
• Deep Learning
• Visualization
• Other languages

Environments

• HASH - Create and run multi-agent simulations in your browser.
• Observable - The magic notebook for Exploring Data.
• Runkit - A Node Playground in your Browser.
• Iodide - Lets you do data science entirely in your browser.
• Carbide - A Reactive JavaScript programming environment.
• Kaggle Notebooks - Run Analyses on Google Cloud using Python or R.

Data Formats

• Papa Parse - Powerful, in-browser CSV parser.
• js-xlsx - Parser and writer for various spreadsheet formats.
• Apache Arrow - Enable big data systems to process and transfer data quickly.

Data Munging

• sql.js - SQLite compiled to JavaScript through Emscripten.
• Lodash - A modern JavaScript utility library delivering modularity, performance & extras.
• jq-web - The command-line JSON processor, compiled with emscripten and exposed as JavaScript library.
• datalib - A JavaScript data utility library.
• zebras - A data manipulation and analysis library written in JavaScript offering the convenience of pandas or R.
• Danfojs - Powerful JavaScript data analysis toolkit.

Math and Statistics

• mathjs - An extensive math library for JavaScript and Node.js.
• bluemath - Math kernel in JavaScript.
• libRmath.js - JavaScript Pure Implementation of Statistical R "core" numerical libRmath.so.
• stdlib - A standard library for JavaScript, with an emphasis on numerical and scientific computing applications.
• Simple Statistics - Statistical methods in readable JavaScript for browsers, servers, and people.
• jStat - Perform advanced statistical operations.
• BigInteger.js - Is an arbitrary-length integer library for JavaScript, allowing arithmetic operations on integers of unlimited size, notwithstanding memory and time limitations.
• Fraction.js - Is a rational number library written in JavaScript.
• fermat.ts - Is powerful mathematics and statistics library, containing everything from number theory to random numbers and linear algebra classes.
• Simple Statistics - A JavaScript implementation of descriptive, regression, and inference statistics.

Machine learning

• mljs - Machine learning tools in JavaScript.
• machinelearn.js - Machine Learning library for the web and Node.

Natural Language Processing

• Natural - General natural language facilities for node.
• node-nlp - A Fork of Natural with many additional capabilities.
• sentiment - AFINN-based sentiment analysis for Node.js.
• compromise - Interprets and pre-parses English.
• wink - Open Source packages for NLP, ML and Statistics in Node JS to build production grade solutions.
• twitter-text-js - A JavaScript utility that provides text processing routines for Tweets.
• Knwl.js - Find Dates, Places, Times, and More. A .js library for parsing text for specific information.
• Talisman - A straightforward & modular NLP, machine learning & fuzzy matching library for JavaScript.
• Franc - Natural language detection.
• Underscore.string - Not actually an NLP library, but a useful toolkit for working with strings in JavaScript.

Deep Learning

• TensorFlow.js - TensorFlow.js is a library for developing and training ML models in JavaScript, and deploying in browser or on Node.js.
• ml5 - Friendly Machine Learning for the Web.
• WebDNN - Fastest DNN Execution Framework on Web Browser.
• brain.js - Neural networks in JavaScript.

Visualization

• D3 - Data-driven documents.
• C3.js - D3-based reusable chart library.
• Vega - A Visualization Grammar.
• Plotly.js - General-purpose data visualization.
• Nivo - A rich set of dataviz components, built on top of the awesome d3 and Reactjs libraries.
• Chart.js - Simple yet flexible JavaScript charting for designers & developers.
• Sigmajs - A JavaScript library dedicated to graph drawing.
• Falcon - Interactive Visual Analysis for Big Data. Crossfilter millions of records without latencies.

Other languages

• Pyodide - The scientific Python stack, compiled to WebAssembly.