Python is a general-purpose programming language.
Node.js is the most popular language usually used by most front-end developers.
Go language is a programming language that is developed by Google using C and inspired by python.
Java is a high-level, object-oriented programming language
PHP or Hypertext Preprocessor which is formerly known as Personal Home Page.
Ruby is another object-oriented, reflexive programming language that follows the POLA(Principle Of Least Astonishment) principle
Kotlin is a type of backend language that has the official development of Google.