Some ROMs needed to build !!

Hello all ,,
How r u ?
I see a lot of ROMs for our device but all of them have the same of design of aosp !!
So '' I look for some open source ROMs that have special design like miui , (( thx for @haky 86 to build it ))
There are some ROMs with their source
1- flyme os
https://github.com/FlymeOS/build
2- Lewa os
https://github.com/LeWaCode/patchrom/tree/kitkat
3- Color os
https://github.com/ColorOS/
4- Hydrogen Os
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Notes : some of them were not update to lollipop !!
If anyone can build ROMs such these !! ?