C is one of the most popular and widely used languages. Some projects you can do using C language, Tower of Hanoi, Snake Game, Finding the frequency of characters in a file using C, Bitwise operation, Base Number Converter System etc. C is the root of all programming languages. If you have a good grip on C, then you can go on learning other programming languages like Python, Java, JavaScript. Nowadays, R programming language is also used by many top companies.