I'm thinking GnuCash. The Quicken migration is not drop dead simple. This may be a turn off for some.
Read https://wiki.gnucash.org/wiki/Quicken_Migration to see if you can do this.
I've used Quicken since forever .. always given me what I need to know about my finances. I don't download financial data or want AI to make a budget; I just want a ledger that allows me to keep track of expenses, cash flow, etc. All went well until recently when I discovered that data I'd entered for 2019 no longer existed ... it all stopped on 12/31/18. Now, trying to load a Quicken file is impossible .. Q locks up and wants to know where I want to restore the backup file ... it should know!
Anyway, I'm looking for an app that allows me to upload Q data, that doesn't download financial from my banking institutions, that just allows me to enter data and see what picture they paint. Per Cnet reviews, there's only one app that allows upload of Q data .. but it also requires the name of my financial institutions so it can download data ... NO WAY WILL I ALLOW THAT INTRUSION GIVEN THE STATE OF COMPUTER SECURITY TODAY!
There's only one app (Count something) that allows upload of Q data but it also requires access to my financial institutions.
I'm looking for a simple way of tracking my financial activity .. any suggestions?