The unofficial KitKat build for Galaxy Note 3 have been leaked for Galaxy Note 3 (only for SM-N9005), courtesy of SamMobile.
The build is said to be one of the final builds of Galaxy Note 3 KitKat. That means no changes are missed, except a some of the bug fixes. The build version is N9005XXUENA6.
However, if you’re interested, feel free to click this link. Be sure to backup your data before doing it, because it will erase your data (internal memory and SD card). The file is hosted on Terafile.com, which doesn’t allow you to download files greater than 1GB (just create a free account).
This leaked ROM works only on Galaxy Note 3 SM-N9005, which has Snapdragon 800 chipset with LTE support.
P.S.: If you live in Poland and/or other countries in Europe (especially near Poland) then you don’t need to download this, cause the update is now rolled out in Poland. Be sure to check the update center! If there’s no update in your country, then you should wait until the next coming days.