Complete guide to localhost:8080 - the popular alternative HTTP port used by Tomcat, Jenkins, development servers, and web applications.
Complete guide to localhost:8000 - the popular port used by Django, Python HTTP servers, and various development frameworks.
Complete guide to localhost:5432 - the default port for PostgreSQL database server, connections, and development workflows.
Complete guide to localhost:5173 - the default port for Vite development server used by Vue.js, React, and modern frontend frameworks.