If you’re not a developer or engineer, concepts like front-end vs. back-end development can be challenging to wrap your head around. Pile on all of the frameworks, programming languages, APIs ...

Browsers primarily run the JavaScript programming language, while back-end developers must pick from a dizzying number of programming languages and related tools.

Programming languages: Python rules while Java dips Tiobe also predicts that Julia, a programming language with roots in MIT, will become a top 20 language in 2021.

Tiobe index of programming language popularity identified Python and C++ as the languages with the greatest increases in popularity in 2020.