Some developers work on a team. I didn't list team's name, but main developer's name(normally programmer).
[eg] tag means he has English pages.
Some developers have English version games, but they don't have English pages.
Followings is extra list.
They are popular in Japan, but it's difficult to play their games unless you are expert in Japanese.
Ryukishi 07(Known as developer of Higurasi no naku koroni)
Jiscald(Known as Andymente)
Kikiyama(Known as developer of Yumenikki)
Is there someone who tried playing Japanese RPG maker XP games?
I don't have English Windows OS then I don't know whether their game works.
I was really surprised at an English version of Yume nikki!
It's the most unique and popular game in Japanese indie RPG.
via TIG Source