The C programming language is a powerful, general-purpose language originally developed in the early 1970s by Dennis Ritchie at Bell Labs.

C++ is a powerful, high-performance programming language that was developed by Bjarne Stroustrup in the early 1980s.

C# is a versatile and modern programming language developed by Microsoft. It's widely used for developing Windows applications, web applications, and games, among other things.

Java is a widely-used, versatile, and powerful programming language that was developed by Sun Microsystems (now owned by Oracle Corporation) in the mid-1990s.