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

a JavaScript library for performing geospatial operations with GeoJSON

turf tag module

convert module usage to inline expressions

turf triangle-grid module

Density Based Clustering in JavaScript

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

Validation rule for GraphQL query complexity analysis

simple scope analysis for javascript ASTs

Pa11y is your automated accessibility testing pal

heap analysis plugins for memlab

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

memlab API

Javascript least squares data fitting methods

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

The Static Code Analysis Tool for your HTML

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

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

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

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

Clinic.js diagnoses your performance issues

Mad metrics for your rollup bundles, know all the things

JavaScript bindings for the augurs time series library.

Easily monitor your ThreeJS performances.

AFINN-based sentiment analysis for Node.js

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

Parsing tools that complement the @appthreat/atom project.

Common library for the @appthreat/atom project.

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

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

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

JavaScript source analysis and visualizer

Software complexity analysis of JavaScript-family abstract syntax trees.

Principal component analysis

StringScanner performs lexical scanning operations on a string.

Software complexity analysis for JavaScript projects

Very simple module to calculate block execution time.

allow file content manipulations

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

JavaScript source analysis and visualizer

Interpolation and extrapolation library

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

Analyser for Windi CSS

Easily monitor your vanilla ThreeJS app performances.

Traits for escomplex AST walkers.

Mozilla-format AST walker for escomplex.

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

Javascript wrapping library for escomplex.

Technical indicators to run technical analysis with JavaScript / TypeScript.

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

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

Parse and properties of roman numeral strings

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

CSS selectors complexity and performance analyzer

Principal Components Analysis in javascript

A node/iojs library & CLI for HTML_Codesniffer

Interpolate values on a Cardinal/Catmull-Rom spline curve

Plotting.

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

Tulip Indicators Wrapper Providing Over 100 Technical Analysis Functions

JavaScript AST XRay analysis

JavaScript source analysis and visualizer

JavaScript expression parsing and evaluation.

Generate complexity analysis reports with plato

Tool set for filtering gps data

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

Package created to analyze JavaScript literals

CLI tool for Git repository analysis and data collection

Automatically moderate your content with Moderation API

produce a scope tree for Shift format ASTs

Stylesheet analysis tool for CSS

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

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

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

Debug your Telegram middlewares

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

Efficient, high-performance linear algebra library

Implementation of most popular technical stock indicators for debut environment

Cohort Analysis Graph with ReactJS

EventRank implementation in TypeScript

Flattens an array.

Universal AI development companion that can be initialized in any codebase

Grunt task to analyse css files and log simple metrics.

Create Intelligent Release Notes or Change Logs from Git

CLI EDA for CSVs

Marko Language Tools

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

TagoIO SDK for JavaScript in the browser and Node.js

Perform a one-way analysis of variance.

Platform-specific binary for Todoctor (Linux, X64)

Principal Components Analysis in javascript

Engineering statistics and data analysis

PMS analysis reports server handling maintenance reports, equipment analysis, compliance tracking, and performance metrics with ERP access for data extraction

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

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

Problem reporting and comprehensive generation analysis for ts-for-gir

扫描 Markdown 文档，对文档进行分析，计算字数、阅读时间等数据

A tool to perform benchmarks on TS

ECharts based Vue 3 chart components library for display analysis

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

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

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

Multi language AFINN-based sentiment analysis for Node.js

Simple curve-fitting algorithm

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

An angularJS module for sending application telemetry to Microsoft Application Insights

A math util library

A cosmic javascript bundler.

Static analysis for your code

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

A math util library

MCP server for analyzing Jira sprint issues with worklog interpretation errors and Story Points achievement rate and worlogs manipulation

Convert JSON Arrays to Pivot JSON Arrays using Crossfilter

The sdk of botimize

Scikit-Learn for JS

stock ta analysis

Image color & feature analysis utilities

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

AI-powered database schema analysis and management library

Babel parser to analyze performance of JavaScript code

Advanced SEO Analyzer

AI-powered React performance monitoring with MCP integration

Pretty CSS analytics on the CLI

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

A technical analysis library written entirely in JavaScript/TypeScript

Universal MCP server for multi-language codebase analysis with TypeScript, C#, Java support, dead code detection, and comprehensive file analytics

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

Get real size of an npm package after bundled.

Analyses reference for Camshaft Analysis library

Locate JavaScript files with 'const' or 'process.env' usage in LLM-generated codebases

OHLCV Candlestick converter and batcher with Typescript support

Extract and compare prompts from different Claude Code versions

Interactive TUI for analyzing Claude Code sessions to identify flow patterns and reduce friction over time.

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

TypeScript version of OrderOrder - prevents jumbling of module prefixes by analyzing dependencies

AngularJS module for Microsoft Application Insights Javascript v2 SDK

TA-Lib C code ported to WebAssembly

Generate beautiful, interactive HTML reports from your git repository history with charts, statistics, and insights

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

Comprehensive token monitoring and analysis tools for Claude Code sessions

SDK for the Novolanguage Speech Analysis API

Source code metrics tool.

A comprehensive toolkit for analyzing AWS Lambda functions - get function details, logs, metrics, and perform security audits

Solana program cost analysis tool - get deployment and transaction cost estimates

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

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

Text tokenization, transformation & analysis transducers, utilities, stop words, porter stemming, vector encodings, similarities

MCP server for analyzing JSX prop usage using AST

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

Node-RED added node functions.

Transducers for statistical / technical analysis

A math util library

A Model Context Protocol (MCP) service that reads and analyzes Java class files to provide code context for AI models and tools.

Fast & simple lexical analyzer

A Node.js tool to read and analyse Excel (.xlsx), CSV (.csv), and JSON (.json) files using MCP with automatic pagination support.

A math util library

String scanner.

A math util library

Analyze Claude Code conversation costs with interactive visualizations

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

Generate SVG charts of minimized sizes for selected exports.

Smart developer assistant for Node.js project optimization using 12+ AI providers with automatic fallback

Superset UI

Get a Titanium SDK CommonJS module out of a Node package!

A tool for statistical analysis.

C/C++ 대화형 디버깅 CLI (Linux only, no server)

A math util library

A math util library

Shared utilities and workflows for Aura AI GTM analysis tools

Small math function library

Process and analyzes queue of chess positions in FEN format

Library for analyzing haircare product ingredients

Node binding for the Gist Audio Analysis Library

A math util library

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

Holt-Winters triple exponential smoothing algorithm (for time series forecasting)

Dimensional analysis and unit conversions

A math util library

A math util library

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

Analysis library to create data views from queries

Logical concept analysis through structured decomposition - decompose ANY idea to understand WHAT it is

Pa11y Webservice provides scheduled accessibility reports for multiple URLs

A Model Context Protocol (MCP) server providing systematic thinking tools, mental models, and debugging approaches for enhanced problem-solving capabilities

Naive, lightweight CPU-based dense optical flow implementation

MCP (Model Context Protocol) MySQL服务，用于在ClaudeCode环境下快速查询MySQL数据库结构和数据分析

A benchmark utility for Node.js.

JavaScript source analysis and visualizer, based on es6-plato

Analysis tool for JavaScript

A math util library

Image processing and manipulation in JavaScript

A terminal-based tool for advanced git branch analysis and visualization

MCP server for reading and decompiling Maven .m2 jar files with comprehensive Java project analysis

Count CSS selectors, declarations and rules in CSS files.

Return ranks of each element in a 2-d array

A math util library

Quality checker for projects for browser js and Node.js, can be integrated in build process of Page, also can be as stand alone application.

Analyze git commits and generate categories, summaries, and descriptions for each commit. Optionally generate a yearly breakdown report of your commit history.

A Node.js client library for Pa11y Webservice

A math util library

Fit a smoothing spline to collection of data points

A GraphQL rate limiting library using query complexity analysis.

Find similar functions and classes in your JavaScript/TypeScript code

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)

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

Cohort Analysis Graph

A math util library

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

The simplest plotting API for JavaScript and TypeScript.

A math util library

Bundle analyzer and visualizer tool for Vite

Very compact and simple to use sentiment analysis lib

🎬 基于 MCP 协议的专业视频信息分析工具，支持多格式视频文件的详细信息提取和技术参数分析

Financial Technical Analysis in JavaScript

A math util library

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

A JavaScript complexity analysis gulp task

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

Select from object/array

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

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.

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

A math util library

A math util library

AI-powered stock and options analysis CLI tool. Fully automated trading intelligence platform.

Generate architecture diagrams from the folder configuration of tslint-folders-diagrams.

Claude Code Scope - Interactive terminal browser for Claude Code conversation transcripts

Superset UI

Validation rule for GraphQL query complexity analysis

Find character which could be on regexp beginning

A comprehensive chess analysis board React component with move navigation, variation support, PGN import/export, and customizable keyboard shortcuts

A CSS complexity linter, based on css-analyzer.

A math util library

Plugin to draw a regression line

Automatic API documentation and analysis for Node.js frameworks

LangChain toolkit for SEC EDGAR data analysis

TagoIO Builder Node.JS

Customizable Bullet Graph component for React Native apps.

Return ranks of each element in a 2-d array

Lomath is a tensorial math library extended from lodash.

Update object

Multilanguage AFINN-based sentiment analysis for Node.js