PHP

• Laravel
• Lumen
• Symfony
• Drupal

Databases

• MySQL, MariaDB
• PostgreSQL
• MongoDB
• redis

Client-side JS

• Vue.js
• React

Server-side JS

• Node.js
• socket.io

Java

• Spring Framework

Cross-platform mobile

• Flutter
• ReactNative
• Cordova
• Electron

Native mobile

• Swift
• Objective C
• Kotlin
• Java

Cloud & DevOps

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