It’s probably Neovim. I spend most of time in a day while working on it. Its suitable for almost all code and text editing jobs.

Also I should have to add okular which is really nice for reading pdf’s and mangas.

Ubuntu 10.04? Dude are you kind of time Traveller?

Feren OS, Ive heard it first and dude they use weebly for website.

Also openSUSE project provide OBS, which is replacement of Aur on Arch.

Sorry but its just an inconsistent design.