It's not FOSS but Mochi [0] is a pretty good alternative.
[0] https://mochi.cards/
I don't think anyone will comfortable pour 1000 hours into a closed source app. Especially because Anki is what it is today due to the numerous add ons
I don't think anyone will comfortable pour 1000 hours into a closed source app. Especially because Anki is what it is today due to the numerous add ons