Some other people that post about Oblivion (and mods). This is horribly incomplete, as I am super bad about keeping my bookmarks.
Oblivion Community Discord
https://discord.gg/cTg84y8
Kat's Blog (no, this is not KatKat)
Linux guides and creating mods
https://katawful.github.io/
The Drunken Crafter's Inn
https://www.deviantart.com/drunken-crafters-inn
Luna's Lunacy
Clothing, furniture, steampunk, pretty things!
http://lunaslunacy13.blogspot.com/
MissAniThrope’s Mods and guests
https://mods.missanithrope.com/
Under Sun and Sky, Room207
http://undersunandsky.blogspot.com/
Lucha's Grove
http://luchasgrove.blogspot.com/
jobra888's Oblivion site
Home of Snu's Dungeons and other cool mods
https://www.oblivion.lima-city.de/
Monkeyangie's blog
https://monkeyangie.blogspot.com/