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I am using Portfolio Performance for a while now. Need to check how it compares.

PP is easier to set up though, it's a plain old Java desktop application.

Edit: it works well for crypto too, you can track anything that has a count and a price.

I use that too. Ghostfolio looks a lot more beautiful but probably is more limited in terms of features :)

I found Portfolio Performance to be non-intuitive and very hard to use

That's true. UX is not the best. But it has a lot of features and works reasonably well once you got used to it.