JSPM

A development middleware for webpack

Info about your dev environment for debugging purposes

Simple monitor script for use during development of a Node.js app.

Do things in development and nothing otherwise

Angular Material Component Development Kit

Rails-inspired generator system that provides scaffolding for your apps

Handles the lifecyle and bootstrapping of generators in a specific environment

Loads environment variables from `.env.[development|test|production][.local]` files

UI5 CLI - File System Abstraction

Simple development http server with live reload capability

CLI tool for running Yeoman generators

Automatically install pre-commit hooks for your npm modules.

UI5 CLI - Internal Logger

add some typescript type and re-export some build-in typescript type

UI5 CLI - Server

Parse a function into an object using espree, acorn or babylon parsers. Extensible through Smart Plugins

UI5 CLI - Project

UI5 CLI - Builder

UI5 CLI - CLI

A modern, fast .d.ts generation tool, powered by Bun.

Check if Electron is running in development

For managing certificates when developing Office Add-ins.

A lean, modular web server for rapid full-stack development

SMTP Server and Web Interface for reading and testing emails during development

simple development http server with live reload capability

tldraw infinite canvas SDK (state).

cli for mastra

tldraw infinite canvas SDK (editor).

tldraw infinite canvas SDK (private utilities).

Holder uses SVG to render image placeholders entirely in browser.

tldraw infinite canvas SDK (schema).

tldraw infinite canvas SDK (store).

A runtime validation library by tldraw.

A tiny little drawing editor.

Ensures consistent encoding and decoding of TC Signals for the iab. Transparency and Consent Framework (TCF).

tldraw infinite canvas SDK (react bindings for state).

Init CLI for Prisma

A command line utility to read version from package.json and attach it into your module as a property

tldraw infinite canvas SDK (multiplayer sync).

The core assemble application with no presets or defaults. All configuration is left to the implementor.

Adds useful debug features to your Electron app

Unified AI rules management CLI tool that generates configuration files for various AI development tools

Automatically install pre-push hooks for your npm modules.

Assemble pipeline plugin for handling custom middleware stages.

Light wrapper for vinyl-fs to add streams support in a way that plays nice with Assemble middleware.

tldraw infinite canvas SDK (multiplayer sync react bindings).

Lightweight development node server for serving a web app, providing a fallback for browser history API, loading in the browser, and injecting scripts on the fly.

Middleware for validating host headers in requests to protect against DNS rebinding attacks.

Assemble plugin for rendering views in a vinyl pipeline.

Assemble pipeline plugin for pushing views into a vinyl stream.

Storybook Addon Development Kit

A stream implementation of the bunyan cli tool's pretty printing capabilities

A tiny little drawing editor.

A task management system for ambitious AI-driven development that doesn't overwhelm and confuse Cursor.

a browserify server for rapid prototyping

Reloads all style sheets in the page associated with a URL

Assemble plugin (^0.6.0) for loading globs of views onto custom view collections. Also works with verb or other Templates.js based applications.

A modern [Web Component](https://developer.mozilla.org/en-US/docs/Web/Web_Components) for [Luzmo](https://luzmo.com) dashboards in your web application.

A Development Server in a Webpack Plugin

Mocks Server plugin providing an administration REST API

Mock Server supporting multiple route variants and mocks

tldraw infinite canvas SDK (ai module).

Automatically install pre-commit hooks for your npm modules.

Run DynamoDB local for development and testing

Mocks server plugin providing an interactive CLI

tldraw infinite canvas SDK (assets).

Get the absolute URL of your Next.js app (and optionally set a dev url)

A gulp plugin to remove parts of code based on regular expressions.

AI development tool with CLI and dashboard

webhint's recommended hints configuration for development

Dynamodb local plugin for devops

Pluggable mock server supporting multiple route variants and mocks

🐏 A webpack plugin for blazing fast builds on a RAM disk / drive

Mocks Server plugin providing proxy variant handler

A CLI for remix-run

UI5 Tooling middleware to instrument code coverage with Istanbul

Static file serving for Electron apps

Serve ES modules over HTTP, rewriting imports

This is a React library for embedding [Luzmo](https://luzmo.com) dashboards in your React application.

Typescript development tools

watch and reload your electron app the easy way

A static code analysis tool for UI5

Ensures consistent encoding and decoding of TC Signals for the iab. Transparency and Consent Framework (TCF).

Node.js module to refresh and reload your code in your browser when your code changes. No browser plugins required.

A TLS/HTTPS library with automation.

Useful utilities for Electron apps and modules

Regular expression for matching HTML empty conditional comments

This package permit to have a centralized dotenv on a monorepo. It also includes some extra features such as manipulation and saving of changes to the dotenv file, a default centralized file, and a file loader with ordering and priorities.

Super Prompt v7.1.0 - Simplified Development Assistant for Cursor IDE

Base library for creating Angular components and applications using Taiga UI principles regarding of actual visual appearance

A CLI for webpack-plugin-serve, providing a premier webpack development server

Quickly get self signed ssl certificates for development

A package with tools for Taiga UI library i18n

Faker.js data generator plugin for Kubb, creating realistic mock data from OpenAPI specifications for development and testing.

AI development tools for debugging and monitoring AI SDKs streams

A Typescript type definition for NPM package json

A Vite plugin for synchronizing HMR across multiple workspaces in a monorepo setup.

Mock Service Worker (MSW) handlers generator plugin for Kubb, creating API mocks from OpenAPI specifications for frontend development and testing.

Ensures other in-page digital marketing technologies have access to CMP transparency and consent information for the iab. Transparency and Consent Framework (TCF).

Simple auto-reloading for Electron apps during development

An Angular library providing a set of services for supporting server-side rendering (SSR) and other features.

Breakthrough Method of Agile AI-driven Development

Utilities for debugging Piral instances.

A tool to manage project Git hooks

Vite Plugin for API mock dev server.

Enhanced Sanity.io plugin development experience

A webpack plugin that allows you to securely use environment variables within your javascript web application, loading them using dotenv-flow's `.env*` files loading strategy.

A modern and smart reverse proxy.

This is a Vue.js library for embedding [Luzmo](https://luzmo.com) dashboards in your Vue 2 or Vue 3 application.

The Stacks development dependencies.

Fake SMTP Server for email testing

simple development http server with live reload capability

Run VS Code on a remote server.

The Inspection Chamber is an in-browser development tool that gives you all the knobs and dials to interactively put your view transitions through their paces.

a development server for rollup

A Vite plugin that adds source location and component information to DOM elements during development

tldraw infinite canvas SDK (create cli).

Stuntman - HTTP proxy / mock API client

Create random values using configurable type generators.

Self-signed PEM key and certificate ready for use in your HTTPS server

A local Prisma Postgres server for development and testing

A gulp plugin for identifying biuld mode.

A toolkit for React, Preact & Inferno apps, React libraries and other npm modules for the web, with no configuration (until you need it)

A Vite plugin to enable a development environment for minimalists.

tls.createServer options with SSL/TSL certificate for quick https setup for live-server

A React component that provides a developer-friendly toolbar for interacting with LaunchDarkly during development

AI-powered mainframe development toolkit for z/OS - Use your own Anthropic, OpenAI, or Gemini API keys directly

MCP仕様完全準拠のドクトリン駆動AI開発システム - 安全・ガバナンス・品質保証を内包

Dev CLI for Prisma

Stuntman - HTTP proxy / mock shared types and utils

Web-hacking proxy API for node

Return `dev`, `prod`, or optional extra environements based on `process.env.NODE_ENV`

Generate plugin that gathers data from the user's environment to pre-populate data for hints.

Use this generator to add some common default settings to your 'generate', verb, and assemble generators.

Command line tool and developer framework for scaffolding out new GitHub projects. Generate offers the robustness and configurability of Yeoman, the expressiveness and simplicity of Slush, and more powerful flow control and composability than either.

Extensible parser for git commit messages following Conventional Commits Specification

Initializes a handful of (empty) template collections to your generator, such as docs, includes, badges, and layouts, along with a few generic defaults.

Hook for advanced logging of API requests to a Sails.js server.

Stuntman - HTTP proxy / mock server with API

A webpack plugin that use externals of CDN urls for production and local node_modules for development

Ensures other in-page digital marketing technologies have access to CMP transparency and consent information for the iab. Transparency and Consent Framework (TCF).

MCP Glootie v3.4.56 - Minimal multi-language development toolkit. Works with all MCP clients (Claude Code, Cursor, Copilot, VSCode). Features cross-platform support, graceful AST degradation, smart caching. Optimized package size with essential tools: exe

Run Python on n8n.

Beautiful text formatter for LogTape—perfect for local development

A collection of reusable DevOps tools, CLI scripts, Dockerfiles, CI/CD templates, and configuration files to streamline development and deployment workflows across DISEEC projects. Ideal for standardizing project setup and automating common DevOps tasks.

AI-powered development tools with browser monitoring and MCP server integration

This command line interface provides a belt full of tools that make building microservices using [micro](https://github.com/vercel/micro) a breeze! It's only meant to be used in development, **not in production** (that's where [micro](https://github.com/v

A stream implementation of the bunyan cli tool's pretty printing capabilities

Universal AI CLI configuration system with Unified Pantheon framework - Auto-configure Claude Code, Gemini CLI, OpenCode with FR3K + 72 Demon-Angel pairs, dual technology patterns, Numogram analysis

CMP API Stub code

AI development tools for debugging and monitoring AI SDKs streams

A tool to manage project Git hooks

A cross-browser ponyfill or polyfill for showOpenFilePicker

Flexible generator, which makes your project clean and maintainable.

**⚡️ Fast, lightweight and powerful development server for esbuild ⚡️**

React render tracker – a tool to discover performance issues related to unintended re-renders

Shared utilities for JSX location data injection

All the development dependencies you need.

Self-signed PEM key and certificate ready for use in your HTTPS server (fork from https-pem)

CMP API Stub code

Simple and Efficient Cache Implementation for TypeScript

🍛 Ultralight http server with live reload. [CLI + API]

Promptbook: Turn your company's scattered knowledge into AI ready books

Alive fork of live-server: simple development http server with live reload capability

The one that maintains the development yard

Universal MCP server for spec-driven development - compatible with any IDE supporting MCP

AI-powered development assistant CLI - npm installer

Run a Node.js application for development, with support for auto-reload.

Dynamodb migrations for devops

Extend the Content Security Policy on the fly (for development)

🚀 Recoder Code - AI-powered CLI for developers. Chat with 40+ models (Claude, GPT-4, DeepSeek, Gemini, Qwen3) with tool calling support. Build projects, automate workflows. Free agentic models included! Features interactive mode, file operations, and opt

AI agent SDK for building intelligent assistants - tree-shakable and comprehensive

A Model Context Protocol server that acts as an intelligent conversation state manager and development guide for LLMs, featuring comprehensive long-term memory with persistent project artifacts

An implementation of the Node.js module resolution algorithm.

Playfab SDK for node.js applications

Metis Code - multi-model coding CLI agent

This is an Angular library for embedding [Luzmo](https://luzmo.com) dashboards in your Angular application.

AI-native system for spec-driven development

Validates given IPs (IPv4 and IPv6) using [micromatch][] - glob patterns, RegExp, string or array of globs. If match returns the IP, otherwise null.

Get all possible javascript (npm/yarn/pnpm) global or local, binaries or packages paths, e.g. node_modules and node_modules/.bin. Also works for those using NVM or such

A compact testing module for node.js.

🚀 Orquestrador de agentes IA para desenvolvimento Full-Stack (React, NestJS, Go)

Brackets Server is a server for providing hosted version of the popular code editor Brackets.

Automatically install post-commit hooks for your npm modules.

Jest runner for Rollup, plays very very nicely in monorepo scenarios

Bridge the gap between ES modules and CommonJS modules with an easy-to-use alternative to `tsc`.

Node.js simple http server for common development or training purposes.

Simple HTTP Server for static files. Intended as testing and development tool

A versatile collection of smart, efficient, and reusable utility functions, classes and types for everyday development needs.

Auto import images for Vite+Vue projects

CLAUDE AGENT SDK INTEGRATION - v5.0.11 with @anthropic-ai/claude-agent-sdk@0.1.1 - Simplified documentation by removing non-existent commands. Only 3 commands: init, auth login, and swarm. Removed multi-provider references (Claude only).

Pixi'VN is a npm package that provides various features for creating visual novels.

Generate a 10-color palette from a base color

Development Server with Live Reload Capability. (Maintained Fork of Live Server)

🚀 Modern HTTP client with fetch-first design, plugin architecture, and security features. Works across all platforms with automatic cookie management and SSRF protection.

npm link together local modules && npm install remaining dependencies

Jest runner for API documentation generation from code comments, supports TypeScript. Very stable and reliable, based on `parse-comments` package

A wrapper package of `@hela/core` and `@hela/cli`.

Vue 3 page builder component with drag & drop functionality.

Standalone Postman generator - creates Postman collections and environment variables from OpenAPI specs for API testing and development.

Simple utility to merge package json

TRIBE - Track, measure and optimize your AI coding agents to become 10x faster

CLI tool for AgentDevFramework - AI-assisted development framework with multi-provider AI support

🔥 HMR for Node.js

CLI for managing decocms.com apps & projects

Run VS Code on a remote server.

Returns a boolean indicating if you are in a development environment or not

A Vue 3 plugin that adds HTML comments around components for easier debugging

Rails-inspired generator system that provides scaffolding for your apps

A ngClarc library providing a set of utilities and interfaces for various projects.

Wollok Web Tools library for web development

Environment configuration loader for Lad

Live editing, testing and debugging for JavaScript

CLI to simplify n8n credentials/node development

npm install for Stripe.js — for testing only

Tools used with the development of Maximo projects

A Vite plugin that enables dynamic proxy configuration at runtime, allowing flexible and configurable proxy settings for development servers

Development utilities for the Vis family projects.

Prettier plugin for clean and meaningful formatting of package.json files

A Vite plugin that forwards browser console logs to the Vite dev server console

Spec-Driven Development (SDD) framework for constitutional software development - inject into any project

Command line interface and MCP server for using Tessl

The Middleware To Serve Front-End JavaScript With JSX And Hot Reload.

Core package for code guidance with programmatic API

Faster way to reload your web project on all connected devices

Reads shell environment variables from a file and assigns them to `process.env` (or anywhere else).

Kalpana (कल्पना) - AI development assistant with multi-runtime containerized execution, web automation, multi-modal analysis, error checking, and intelligent context management

A flexible, highly available district selector for picking provinces, cities and districts of China.

Javascript client library for kuber server

A metalsmith plugin to serve the build directory.

n8n node to detect if something changed between the current execution and the previous one.

AI-powered development assistant CLI

A Vite plugin that adds location data attributes to JSX elements

A command line utility for the Unity Game Engine.

Universal AI agent framework with MCP integration - Chat naturally, get professional results

An obscure build tool starting as an emacs elisp script in 2009

use asserts for make type predicates work

Generate a 10-color palette from a base color

A Vite plugin that uses TypeScript's tsc to transpile TypeScript sources for seamless bundling.

Modern, opinionated development configurations.

Development Kong Server

node.js + CodeMirror = Great IDE and Admin Tool

Production-ready bridge for connecting web applications to AI coding agents

AI Agent & Command Distribution Platform - Deploy 33+ specialized AI agents and workflow commands to any project instantly

Liveblocks command line interface

Detects environment (production, staging, test, development, ci) and helps making decision based on that

CLI tool for code guidance

Visual debugging tools for ForesightJS - mouse trajectory prediction and element interaction visualization

README.md

Chara CLI - AI-powered development assistant