Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis.
Ruby is probably most famous for its use in web development, it has many other uses, too. Some of these include automation, command-line tools, static site generation, DevOps, web scraping, and data processing.
Java is a widely-used programming language for coding web applications. It has been a popular choice among developers for over two decades, with millions of Java applications in use today.
Go is an open source programming language that makes it simple to build secure, scalable systems.