Python
A programming language that lets you work more quickly and integrate
your systems more effectively.
JavaScript
A programming language well-known as the scripting language for Web
pages.
Typescript
A strongly typed programming language that builds on JavaScript.
React
The library for web and native user interfaces out of individual
pieces called components.
Java
The development platform of choice for enterprises and developers.
More on GitHub
Most of the world's code lives on GitHub.