Kido
1) Kido (棋道) was the Nihon Ki-in's dan-level go magazine, 1924-1999. Sponsored Kido Prize for a long time. Ceased publication in 1999, succeeded by Monthly Go World. Igo Nenkan (Go Yearbook) was published as extra issues of the magazine.
See also the list of Kido prize winners and winning statistics.
2) Kido Web (棋道Web, https://nihonkiin.net/) is a subscription-based web magazine by the Nihon Kiin. Some contents are free to view. Started in September 2023. See Kidou Web.
3) Also the name of the main Russian Go forum, opened in 2005. Now available in "read only" format: http://kido.rusgo.org/