hi i would like to introduce Q OS it is a 64 bit os it uses grub as a bootloader it has an idt(with keyboard isr handler) , gdt .it is written in assembly and c++ i tested it on qemu,virtualbox,my own laptop and it worked !.
the source code for the project could be found on https://github.com/li7r/os.
if you find a bug or want to improve the os feel free to cantact me [email protected] .
Note from moderator: I have removed the PayPal link from your post before approving it.