Key
Key is a Japanese visual novel studio under Visual Arts founded by Jun Maeda, Shinji Orito, and Itaru Hinoue. They are known for making dramatic and plot-oriented visual novels and they have also formed Key Sounds Label for their music tracks. Key has also produced an internet radio show called Key Radio.
Past Works:
Angel Beats! -1st beat- (Visual Novel) (2015)
Rewrite Harvest festa (Visual Novel) (2012)
Rewrite (Visual Novel) (2011)
Kud Wafter (Visual Novel) (2010)
Angel Beats! (Anime) (2009)
Little Busters! Ecstasy (Visual Novel) (2008)
Little Busters! (Visual Novel) (2007)
Tomoyo After (Visual Novel) (2005)
Planetarian ~the reverie of a little planet~ (Visual Novel) (2004)
Clannad (Visual Novel) (2004)
Air (Visual Novel) (2000)
Kanon (Visual Novel) (1999)
Mangaography

Angel Beats!: Heaven's Door
Key, Jun Maeda, Yuriko Asami

Clannad
Key, Jun Maeda, Juri Misaki

Clannad: Tomoyo After
Key, Yukiko Sumiyoshi

Little Busters! The 4-koma
Key, Yuuya Sasagiri

Clannad 4-koma Manga Gekijyou
Key, Tsukasa Unohana, Yuuya Sasagiri

Little Busters! Kud Wafter
Key, Bakutendou

Little Busters! EX: The 4-koma
Key, Jun Maeda, Yuuya Sasagiri

Rewrite: Side-B
Key, Sakana Toujou

Air
Key, Yukimaru Katsura

Kanon & Air: Sky
Key, Rei Izumi

Rewrite: Side-R
Key, Shuuichi Kawakami

Kanon (Key)
Key, Petit Morishima