JSPM

evaluate statically-analyzable expressions

Get the dependencies of a Stylus file

Find and fix unused dependencies, exports and files in your TypeScript and JavaScript projects

Chevrotain is a high performance fault tolerant javascript parsing DSL for building recursive decent parsers

Graph theory (a.k.a. network) library for analysis and visualisation

PostHog Node.js integration

convert module usage to inline expressions

a JavaScript library for performing geospatial operations with GeoJSON

turf tag module

turf triangle-grid module

simple scope analysis for javascript ASTs

Density Based Clustering in JavaScript

Validation rule for GraphQL query complexity analysis

A cross-browser, numerically stable algorithm to add floats accurately

AFINN 165 (list of English words rated for valence) in JSON

Javascript least squares data fitting methods

Pa11y is your automated accessibility testing pal

The Static Code Analysis Tool for your HTML

heap analysis plugins for memlab

AFINN 165 (list of English words rated for valence) in JSON with added words and modifications for financial market news

memlab API

Safely evaluate JavaScript (estree) expressions, sync and async.

Add context awareness to your apps and frameworks by safely evaluating user-defined conditional expressions. Useful for evaluating expressions in config files, prompts, key bindings, completions, templates, and many other user cases.

Numerical analysis in javascript

Mad metrics for your rollup bundles, know all the things

Create atom (⚛) representation for your application, packages and libraries

Traverser, scope tracker, and more tools for working with ESTree AST

Analyzes each PR's impact on your next.js app's bundle size and displays it using a comment

Clinic.js diagnoses your performance issues

Easily monitor your ThreeJS performances.

JavaScript bindings for the augurs time series library.

Image processing and manipulation in JavaScript

Provides module / individual file oriented AST processing for typhonjs-escomplex complexity reports.

Provides project oriented AST processing for typhonjs-escomplex complexity reports.

Next generation complexity reporting for Javascript & Typescript based on the Babel parser.

JavaScript source analysis and visualizer

AFINN-based sentiment analysis for Node.js

allow file content manipulations

Software complexity analysis of JavaScript-family abstract syntax trees.

Software complexity analysis for JavaScript projects

StringScanner performs lexical scanning operations on a string.

Very simple module to calculate block execution time.

A Node.js module for email address analysis and validation.

CSS selectors complexity and performance analyzer

Analyser for Windi CSS

Principal component analysis

JavaScript library providing high performance, intuitive, and easy to use data structures for manipulating and processing structured data.

Principal Components Analysis in javascript

JavaScript library providing high performance, intuitive, and easy to use data structures for manipulating and processing structured data.

Interpolation and extrapolation library

A command-line tool to collect and report code coverage of a JavaScript program

Tests whether an JavaScript AST node is likely to be a valid `require` call.

Graphql query cost analyzer. Use it to protect your GraphQL servers against DoS attacks, compute data consumption per user and limit it.

Tulip Indicators Wrapper Providing Over 100 Technical Analysis Functions

Statically analyzes ember project source for dependency trees and other information.

Technical indicators to run technical analysis with JavaScript / TypeScript.

JavaScript expression parsing and evaluation.

A node/iojs library & CLI for HTML_Codesniffer

Easily monitor your vanilla ThreeJS app performances.

JavaScript source analysis and visualizer

Interpolate values on a Cardinal/Catmull-Rom spline curve

JavaScript source analysis and visualizer

Parse and properties of roman numeral strings

Multiline code search for every language. Structural code search for JavaScript, TypeScript, HTML and CSS

Plotting.

Efficient, high-performance linear algebra library

Create custom ESLint rules based on code samples. Utilizing CodeQue - structural code search engine.

Affine transformation estimator e.g. for multi-touch gestures and calibration

JavaScript AST XRay analysis

Package created to analyze JavaScript literals

Generate complexity analysis reports with plato

Mozilla-format AST walker for escomplex.

Stylesheet analysis tool for CSS

Functional, polymorphic API for 2D geometry types & SVG generation

Grade your sites accessibility and generate a report from different WCAG levels

Javascript wrapping library for escomplex.

Traits for escomplex AST walkers.

produce a scope tree for Shift format ASTs

TA-Lib C code ported to WebAssembly

Debug your Telegram middlewares

Vue Sage - Vue 组件智能助手

Implementation of most popular technical stock indicators for debut environment

Official Expo Config Plugin for integrating the Poilabs Analysis SDK

Stock technical indicators and strategies in TypeScript for browser and server programs.

Vue Sage MCP Service - Vue 组件分析和优化工具

Pa11y is your automated accessibility testing pal

File Forge is a powerful CLI tool for deep analysis of codebases, generating markdown reports to feed AI reasoning models.

CLI tool to analyze and report TODO comments in JavaScript and TypeScript Git repositories

Cohort Analysis Graph with ReactJS

TagoIO SDK for JavaScript in the browser and Node.js

Platform-specific binary for Todoctor (LINUXinux, X64)

SDK for the Novolanguage Speech Analysis API

Easy-to-use and high-performance JavaScript library for data analysis. Works with tabular and geospatial data.

Engineering statistics and data analysis

Pa11y CI is a CI-centric accessibility test runner, built using Pa11y

Convert JSON Arrays to Pivot JSON Arrays using Crossfilter

Principal Components Analysis in javascript

Get real size of an npm package after bundled.

Marko Language Tools

Tool set for filtering gps data

Perform a one-way analysis of variance.

Automatically moderate your content with Moderation API

[](https://badge.fury.io/js/ohlc)  [](https://www.jsdelivr.com/package/npm/ohlc) [![Build Status](https:

Grunt task to analyse css files and log simple metrics.

Custom TSLint rules for checking imports between packages and their folders, and generating relevant diagrams.

Grade your site's accessibility and generate a report from different WCAG levels

OHLCV Candlestick converter and batcher with Typescript support

Analyzes each PR's impact on your nuxt.js app's bundle size and displays it using a comment.

Babel parser to analyze performance of JavaScript code

Transducers for statistical / technical analysis

Frontend framework for rapid data (JSON) analysis, shareable serverless reports and dashboards

A cosmic javascript bundler.

Flattens an array.

Pretty CSS analytics on the CLI

Multi language AFINN-based sentiment analysis for Node.js

Composable signal generators, oscillators, filters, FFT, spectrum, windowing & related DSP utils

Static analysis for your code

JavaScript source analysis and visualizer, based on es6-plato

[](https://travis-ci.org/HelikarLab/ccNetViz) [](https://www.gnu.org/licenses/gpl-3.0) [![semantic-releas

An angularJS module for sending application telemetry to Microsoft Application Insights

Rethinking of CPU profile (collected in Node.js or Chromium browsers) analysis

stock ta analysis

Scikit-Learn for JS

Analyzes your code metric reports and will parse the results into Galaxy

AngularJS module for Microsoft Application Insights Javascript v2 SDK

Declarative, functional & multi-format data visualization toolkit based around @thi.ng/hiccup

A thin wrapper around the Web Audio API that lets you take some audio and get its waveform/frequency data in return.

A package API to run a static analysis of your module's dependencies.

Find similar functions and classes in your JavaScript/TypeScript code

Financial Technical Analysis in JavaScript

Node-RED added node functions.

Analysis tool for JavaScript

Small math function library

A library to find unclosed html5 tags, that are normally optional.

Source code metrics tool.

A Discrete Wavelet Transform (DWT) library for the web.

Find character which could be on regexp beginning

Stock technical indicators and strategies in TypeScript for browser and server programs.

A math util library

A math util library

A math util library

A technical analysis library written entirely in JavaScript/TypeScript

CLI tool for React component development and debugging

Automated code review tool that analyzes Git branch differences, detects code quality issues, and suggests test cases

Crust is a CLI tool that uses OpenAI to enhance the Terraform and Terragrunt experience by providing security analysis, cost analysis, and detailed plan explanations.

A math util library

Advanced SEO Analyzer

A math util library

MCP 도구들의 보안 취약점을 검사하는 도구

A CLI (command line interface) to execute FBA (fishbone analysis) files with DLT-logs/adlt.

A math util library

Library for analyzing haircare product ingredients

Analyses reference for Camshaft Analysis library

Levenberg Marquardt curve-fitting: minimize sum of weighted squared residuals

Zonal Statistics

Pa11y Webservice provides scheduled accessibility reports for multiple URLs

The simplest plotting API for JavaScript and TypeScript.

Select from object/array

扫描 Markdown 文档，对文档进行分析，计算字数、阅读时间等数据

A custom tslint rule to ban configurable lists of code snippets.

A Node.js client library for Pa11y Webservice

Pluggable email template code linter

A plug in for plot: The simplest plotting API for JavaScript and TypeScript.

Grade your site's accessibility and generate a report from different WCAG levels

Analysis library to create data views from queries

Analyzes React components and automatically creates context providers to eliminate prop drilling

A JavaScript complexity analysis gulp task

A typescript Sudoku package for generating, solving (step-by-step or all), and analyzing Sudoku boards with ease. Perfect for building Sudoku games and integrating Sudoku functionality into your applications.

[UNDER DEVELOPMENT] A data analysis toolbox for JavaScript.

A plug in for plot: The simplest plotting API for JavaScript and TypeScript.

k-means based dominant color extraction from images/pixel buffers

Very compact and simple to use sentiment analysis lib

A code quality tool for any language or platform.

A math util library

Cohort Analysis Graph

Pagean is a web page analysis tool designed to automate tests requiring web pages to be loaded in a browser window (e.g. horizontal scrollbar, console errors)

Hoist variable declarations to the top of scope.

Isomorphic Statistical Analysis using Javascript

Package created to analyze JavaScript literals

es6 version of aaditmshah/lexer

Daftar wilayah administratif Indonesia

open-source engine with API for Real-time questions In Hebrew.

Statically analyzes Handlebars templates and components for dependency trees and other information.

Dependencies analysis module for Care tool

A math util library

TypeScript library for web3 transaction analysis and explanation

Return ranks of each element in a 2-d array

A sophisticated AI-powered CLI tool that transforms repository analysis and documentation generation for researchers and developers

A powerful JavaScript/TypeScript AST analysis library for React components and beyond

A math util library

Plugin to draw a regression line

Fit a smoothing spline to collection of data points

A math util library

There is large amount of information available in market place. The markets are always in sync. In today's world investors find it very difficult to make effective use of information available to them. Shubha Downloader is great tool which resolves this problem and helps investor to increase his productivity and stay focused on decision making. Shubha Downloader enable end user to download market data from available sources and organize it. Shubha Downloader is Open source & FREE utility for end users. Shubha Downloader have main features as follows End of the day market data from web to your favorite charting application . Fundamental market data from web to your favorite charting application. Market reports from web to your favorite charting application.

Analyse and running codemods over react/rax projects, troubleshooting and automatically fixing errors

CLI tool to analyze technologies used on websites via unbuilt.app

A JavaScript library for feature engineering on datasets

Update object

Count CSS selectors, declarations and rules in CSS files.

Return ranks of each element in a 2-d array

Resample (inter-convert) trade, ticks or OHLCV data to different time frames, includes CLI

`@dbux/babel-plugin` instruments JavaScript programs and injects the `@dbux/runtime` to record runtime behavior.

A math util library

TagoIO Builder Node.JS

Utilities to easily add support of Source Maps to your React Native project

A math util library

Pa11y is your automated accessibility testing pal

A math util library

Hdbscan implementation in JavaScript

a tool to scan and analyze the code of the projects

A math util library

A math util library

视频理解和思维导图生成的MCP服务

A math util library

Analyze your stylesheets using stylestats.

App store scraper with AI-powered analysis capabilities

Una herramienta universal para monitorear en tiempo real la estructura de aplicaciones web

Utilities to help make TS Morph even easier to work with.

Apache Kafka discovery, indexing, searches, storage, hooks and HTTP gateway

A math util library

String scanner.

Ban snippets of TypeScript from your project, using a custom eslint rule 'ts-ban-snippets'.

CLI for SNAP data, which is a collection of more than 50 large networks.

A math util library

A visualizer rollup analyzer

Fetch and parse SEC earnings reports and other filings. Useful for financial analysis.

Lexical analyzer built in Javascript

Nucleotide sequence manipulation and analysis library

CLI tool to analyze dependencies' impact on project performance

a code visualization tool

A math util library

TagoIO Application CLI Node.JS

A math util library

Automation scanner for web resources

A comprehensive CLI tool for AI researchers that analyzes repositories, generates documentation, and integrates with OpenAI API

## Installation

A simple math calculator

Tool for analyzing .env files, performing security checks, and generating example files

股票分析工具包，提供技术指标计算和新闻分析功能

MCP Web Research Server with Deep Research capabilities

A GraphQL rate limiting library using query complexity analysis.

A powerful toolkit for emergency reporting including FIR filing, raising complaints, emergency calls, and analyzing word severity.

Validation rule for GraphQL query complexity analysis

A Node.js package for performance time tracking of functions or scripts

React component for a fully featured, stylable chess analysis board.

Track/evaluate dependencies bundled into a Webpack build

Pure Index is a tool for packages. It helps to clean your packages of unused exports with ease.

Extract and analyze embedded state objects in complex compiled applications.

Application of music theory in audio reactive visualizations