# Localhost Ports Directory - Complete Development Guide

21 localhost ports available for local development. Explore localhost:3000, localhost:8000, localhost:5000 and more development servers.

## Web Development Localhost Ports

3000
Localhost:3000 Development React Port
Localhost:3000 is the default development port for React applications created with Create React App, Next.js …
localhost:3000
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3001
Localhost:3001 React Development Port
Localhost:3001 is commonly used as an alternative React development port when port 3000 is already …
localhost:3001
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3003
Localhost:3003 Development Port
Localhost:3003 is commonly used as an alternative Node.js development port when port 3000 is already …
localhost:3003
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4000
Localhost:4000 Development Port
Localhost:4000 is the default development port for Jekyll static site generator and is widely used …
localhost:4000
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4200
Localhost:4200 Localhost:4200 Default Port
Localhost:4200 is the default development port for Angular applications served by Angular CLI's development server. …
localhost:4200
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5000
Localhost:5000 Development Flask Port
Localhost:5000 is the default development port for Flask applications and many Python web frameworks. It's …
localhost:5000
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5173
Localhost:5173 Development Vite Port
Localhost:5173 is the default development port for Vite, a fast build tool and development server …
localhost:5173
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8000
Localhost:8000 Development Django Port
Localhost:8000 is the default development port for Django applications and Python's built-in HTTP server. It's …
localhost:8000
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## Data Science & AI Localhost Ports

8501
Localhost:8501 Python Port
Localhost:8501 is the default port for Streamlit, a powerful Python framework for building data science …
localhost:8501
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8888
Localhost:8888 Development Port
Localhost:8888 is the default port for Jupyter Notebook and JupyterLab, the most popular interactive computing …
localhost:8888
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11434
Localhost:11434 Development Port
Localhost:11434 is the default port for Ollama, an open-source platform for running large language models …
localhost:11434
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## Standard HTTP Ports Localhost Ports

80
Localhost:80 Web Port
Localhost:80 is the standard HTTP port used by web servers worldwide. When you visit any …
localhost:80
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8081
Localhost:8081 Web Proxy Port
Localhost:8081 is a common alternative HTTP port used for web proxy servers, administrative interfaces, and …
localhost:8081
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8443
Localhost:8443 Web Port
Localhost:8443 is a standard alternative port for HTTPS (SSL/TLS) web services, commonly used when the …
localhost:8443
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## Development Tools Localhost Ports

5678
Localhost:5678 Python Port
Localhost:5678 is commonly used for Python debugging tools, particularly debugpy (Python debugger) and VS Code …
localhost:5678
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7071
Localhost:7071 Development Port
Localhost:7071 is the default port used by Azure Functions Core Tools for local development and …
localhost:7071
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9000
Localhost:9000 Database Port
Localhost:9000 is a versatile port widely used for web-based management tools, database administration interfaces, and …
localhost:9000
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## Specialized Services Localhost Ports

517
Localhost:517 Development Port
Localhost:517 is the standard port for the Talk protocol, a Unix network communication system used …
localhost:517
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679
Localhost:679 Development Port
Localhost:679 is an uncommon port number that falls within the registered port range but isn't …
localhost:679
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44336
Localhost:44336 Development Port
Localhost:44336 is a high-numbered port commonly used for custom applications, testing environments, and specialized development …
localhost:44336
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## System Services Localhost Ports

631
Localhost:631 Web Port
Localhost:631 is the standard port for CUPS (Common Unix Printing System) web interface, providing access …
localhost:631
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