I’ve been using buzzfeedprofile to track my manga collection and it’s pretty handy. I can log chapters, rate series, and see what friends are reading. The interface is clean, though sometimes finding obscure titles takes a bit of digging. buzzfeedprofile It’s not perfect—no dark mode, which bugs me during late-night reading sessions. Still, for organizing my shonen and seinen lists, it works. I mainly use it on my phone, and the mobile experience is smooth. If you’re into keeping a digital shelf, give it a shot.