https://en.m.wikipedia.org/wiki/Adempiere

That does sound useful

How is this different from just having good folder structure for your pdfs? Not trying to be a contrarian here; just curious about the selling points.

Will check it out

Well for the stats that I have already watched, read, favorite it, etc

I am down to try it out. I also ask as I am willing to change my work flow here if a suggestion feels better.

Been doing feeds on fdroid

Finding new neat things is what I like about threads like these.

I like the calendar view of darium along with making map of photos you attach to entry.

I have been eyeing obsidian for some time.

but to be careful not to mark a task as complete on the web UI, as that would remove the entire task instead of marking one repetition as complete.

This is good to know!

I think this might be the way I go

I have not heard of it and it sounds like what I am looking for.