Web development stacks are combinations of technologies used to build web applications. Each stack includes programming languages, frameworks, and tools optimized for specific types of tasks. 

MEAN Stack

• MongoDB: NoSQL database
• Express.js: Web application framework for Node.js
• Angular: Front-end framework
• Node.js: Runtime environment for JavaScript

MERN Stack

• MongoDB: NoSQL database
• Express.js: Web application framework for Node.js
• React: Front-end library
• Node.js: Runtime environment for JavaScript

LAMP Stack

• Linux: Operating system
• Apache: Web server
• MySQL: Relational database
• PHP/Perl/Python: Scripting languages

LEMP Stack

• Linux: Operating system
• Nginx: Web server (pronounced “engine-x”)
• MySQL/MariaDB: Relational database
• PHP/Perl/Python: Scripting languages

MEVN Stack

• MongoDB: NoSQL database
• Express.js: Web application framework for Node.js
• Vue.js: Front-end framework
• Node.js: Runtime environment for JavaScript

JAMstack

• JavaScript: Programming language
• APIs: Server-side functions are abstracted into reusable APIs
• Markup: Templated markup (HTML)

Django Stack

• Django: High-level Python web framework
• Python: Programming language
• Gunicorn or uWSGI: Web server gateway interfaces
• PostgreSQL: Database
• Nginx: Web server

Ruby on Rails Stack

• Ruby on Rails: Web application framework
• Ruby: Programming language
• SQLite/PostgreSQL: Database
• Puma/Unicorn: Web servers