AWS S3 - store your files securely
AWS IAM - identity access management
AWS SQS - cloud based messaging system
HTML - the markup language for creating web pages
CSS - create styles for your web pages
JSON - the data exchange format for web
Asp.Net MVC - a mvc web framework for building web pages.
WCF - a web framework for building api
IIS - a server for serving web pages
Sql - the query language for database
MySql - a popular relational database for websites
AWS RDS - relational database in the cloud
C# - general purpose, object-oriented programming language
NodeJS - event-driven, non-blocking I/O