Manga
Here is where you can read all of the Doraemon's manga online (that we currently have access to!) These all link offsite, so click with caution and hopefully an adblocker!
Note: A lot of volumes are missing, most notably the entirety of the Robot Training School series, Volume 2 of Dora Encyclopedia, the manga adaptations of the 3DO game and Dorapin's movie, the comic adaptations of several specials, the guide to the Game Comics, Doki Doki Quiz Land, and any manga we aren't aware of as well as any translations that haven't been uploaded online. New volumes will be added as their scans are found.

Game Comics Vol 2
Chinese
Game Comics Vol 3
Chinese
Game Comics Vol 4
Chinese
Game Comics Vol 5
Chinese
Game Comics Vol 6
Chinese
Special Vol 7
Chinese
Special Vol 8
Chinese
Special Vol 9
Chinese
Special Vol 10
Chinese
Special Vol 11
Chinese
Special Vol 12
Chinese
Dorapin Movie
(Comic Adaptation)

Wildcat Engine
(Comic Adaptation)

The Latest Doraemon
Secret Encyclopedia Vol 1