For manga the server is komga, and i use tachiyomi to connect to it to read. Komga does its own tracking, and I also added MAL as a tracking in tachiyomi itself.

For anime (and everything I watch, also movies/tv etc) I use jellyfin. It keeps track of everything you watched. So if I finish season 1 of something and a year later season 2 releases, once I have the first episode of season 2 it’ll pop up on my list of things to watch. There’s been series I forgot about until this happened.