Development

Parcel (Alternative) - Alternative default port for Parcel

Hugo - The world's fastest framework for building static websites

Echo (Alternative) - Alternative default port for Echo framework

Delve - Go language debugger

The Next.js CLI defaults to port 3000. Other development servers may use it too, but Node.js and React themselves do not impose a universal listener port.

Storybook - Tool for building UI components and pages

FeathersJS - Alternative default port for FeathersJS

Remix - Full-stack React framework focused on web standards

Frontend development server port - commonly used by Hexo, Jekyll and other frameworks

Angular development server port for frontend development and testing

Astro - Modern static site generator supporting multiple frontend frameworks

IANA registers TCP 4444 for multiple services including KRB524 (Kerberos v4-to-v5 conversion). It also serves as an alternate HTTP(S) port across products — some IPMI/BMC interfaces, Kerio Control, IoT dashboards and debug endpoints. Metasploit\u2019s default reverse-shell handler also uses it, so an unexpected public listener on 4444 is often treated as suspicious.

Universal network service port for web applications and development servers

Vite - Next generation frontend build tool with lightning fast dev server

VitePress - Vite-based static site generator designed for documentation

Prisma Studio - Visual editor for Prisma database toolkit

Storybook (Alternative) - Alternative default port for Storybook

Default secure port for Kubernetes API server, main entry point for cluster management and interaction

IANA assigns TCP 8000 to iRDMI (Intel Remote Desktop Management Interface), but it is far better known as the default port for web development servers and alternate HTTP services. Django runserver, Sanic, Restify and many local container mappings use it to stay clear of production services on 80/8080.

Nodemon - Node.js application development tool

TCP 9000 is the default for several well-known services: ClickHouse\u2019s native protocol, Portainer\u2019s legacy HTTP entry point (current versions default to HTTPS on 9443), SonarQube\u2019s web interface and PHP-FPM\u2019s FastCGI listener. That overlap makes 9000 a frequent source of internal port conflicts and a scanner magnet.

Node.js Inspector - Node.js debugger port

Node.js Inspector (Alternative) - Node.js debugger alternative port

Git distributed version control system protocol port for code repository access

Expo development server

Expo development tools

Expo Metro bundler

Expo Web - Expo web development server

Ionic live reload

gRPC-Go - gRPC implementation for Go