Programming languages are used to create applications or programs. Programming languages have evolved to facilitate their use but normally they are used by technical people. Normal case will be we use an already developed application and we don’t have to take care about the language used in development. Anyway, knowing the language used, we could have some ideas about capabilities and limitation of our application.
| Extension | SDK | Scratch | HTML |
| App Inventor | Javascript | ||
| Runtime Software | Assembler Language | Java | CSS |
| Executable Software | Machine Language | SQL | |
| C | PHP |