Just paste any useful links you have under the Misc tab. I'll organize them later
Wikis:
Official website: https://ongeki.sega.jp/
Ongeki-NET: https://ongeki-net.com/ongeki-mobile/
https://otoge-db.net/ongeki
https://arcade-songs.zetaraku.dev/ongeki/
https://sdvx.in/ongeki.html
Chart images: https://sdvx.in/ongeki.html
Youtube videos: https://www.youtube.com/@MLN_Rev
Youtube videos (basic/advanced): https://www.youtube.com/@w.g.6567
Fingering renderer: https://mel225.sakura.ne.jp/unshi/
Affection/Money calculator: https://k2-works.sakura.ne.jp/ongeki/moneyrun/
Anything which doesn't fit in any of the other categories can go here. It may be organized into another section later.