Maybe, but personally I think STL syntax is horribly ugly and not easy to read or work with, whereas Qt (at least to me) is much easier to parse, in addition to

Maybe, but personally I think STL syntax is horribly ugly and not easy to read or work with, whereas Qt (at least to me) is much easier to parse, in addition to offering a lot more functionality and flexibility. (Qt has a lot more container types, for instance.)