Server-side PHP

• Laravel
• Lumen
• Symfony
• CodeIgniter
• Drupal
• Wordpress

Databases

• MySQL, MariaDB
• PostgreSQL
• MongoDB
• redis

Client-side JS

• Vue.js
• React
• Angular
• jQuery

Server-side JS

• Node.js
• socket.io

Server-side Java

• Spring Framework

Cross-platform mobile

• NativeScript
• ReactNative
• Cordova/PhoneGap

Native mobile

• Swift
• Objective C
• Kotlin
• Java

Cloud & DevOps

• GIT
• CI/CD
• nginx
• Apache
• Docker
• Amazon AWS, Google Cloud, Linode, DigitalOcean, Cloudflare