Thank you, I understood my error. I need links to all those libraries (i placed test file with gtk3.nim in one folder).
But I have now such issue: """home/vlad/Programs/programming/libraries/Nim/ngtk3/nim-gtk3/src/gtk3.nim(14, 6) Error: cannot open 'gdk3'""" with your test file from one of those libraries. Screenshot: [https://pp.vk.me/c638518/v638518447/8369/cWvQeHqwpRA.jpg](https://pp.vk.me/c638518/v638518447/8369/cWvQeHqwpRA.jpg)