As KiTTY was built altering the source code of PuTTY, it offers almost the same user interface and user experience.
While, the interface is developed for the Windows operating system but one can remotely access computers that run Linux, Mac OS, and Unix. In simple words, KiTTY is a better version of PuTTY that not only has all the features that PuTTY has but offers many more. The KiTTY application is a fork of PuTTY, as such, it is coded on the same foundations of PuTTY.