The National Institute of Informatics (国立情報学研究所, Kokuritsu Jōhōgaku Kenkyūjo, NII) is a Japanese research institute located in Chiyoda, Tokyo, Japan.

Database of Grants-in-Aid for Scientific Research(KAKEN) is a public database which includes information on adopted projects, assessment, and research achievements from the Grants-in-Aid for Scientific Research(KAKENHI) Program.

J-DAC is a joint enterprise between MARUZEN-YUSHODO Company, Limited, Dai Nippon Printing Co., Ltd.

e-Stat is a portal site for Japanese Government Statistics.

The National Diet Library (NDL) (国立国会図書館, Kokuritsu Kokkai Toshokan) is the national library of Japan and among the largest libraries in the world.

The Japan Science and Technology Agency (JST; Japanese: 科学技術振興機構) is a Japanese government agency which aims to build infrastructure.