Hi 
I`ve got an expierence with theese guys  that were mentioned before. 
https://www.e-sports.hr/forums/topic/benefits-of-an-online-teaching-app/#post-101524
https://www.playerup.com/threads/github-student-all-benefits-developer-pack-valid-up-to-4-years.5327144/
https://cartagena.activeboard.com/t68396797/topic-68396797/?page=last#lastPostAnchor
https://www.qt.io/blog/2009/10/12/to-make-or-not-to-make-qmake-and-beyond
https://boomania.tribe.so/post/are-you-one-of-those-students-who-cannot-afford-to-buy-an-expensive-essay-a--60b8663420c755541437443e
 
And I watned to say thanks!