If you play translated visual novels in English --------- Visit Fuwanovel.org

Note: no installation required.

Forums: http://forums.fuwanovel.org
Hoshizora no Memoria page: http://fuwanovel.org/novels/14

Translation: Insemination
Engineering: oneoc
Staircase Subs: http://staircasesubs.com/hoshizora-no-memoria/