The C questions were only shown to the developers who chose C as one of their three primary programming languages.

Which C standard do you regularly use?

Which IDE / editor do you use the most?

Dependency managers are not very popular in the C community: only 18% use special software to manage dependencies.

Which unit-testing frameworks do you regularly use?

Which project models or build systems do you regularly use?

The usage of Makefiles has grown from 38% to 50% since last year.

What dependency managers do you use in your projects?

Which compilers do you regularly use?

Clang has gained 12 percentage points since last year, while the popularity of other compilers remains much the same.