Angular 1 & 2

Vue.js

react.js

HTML 5

CSS 3

JS

Jquery

Bootstrap

Sass

TypeScript

Sencha

Telerik

Less

Go

Python

Ruby

Nodejs

Kotlin

PHP

Spring

Redis

Elastic

R

MongoDB

Postgre SQL

MySQL

Swift

Objective-C

React Native

Flutter

NDK

Java

Kotlin

AWS IoT

AWS Edge

AWS IoT Greengrass

Arduino

NodeMCU

Azure IoT