I haven't been reviewing my Anki decks much lately, but earlier this year I was spending a lot of time studying for the Security+ certification test, and used a

I haven't been reviewing my Anki decks much lately, but earlier this year I was spending a lot of time studying for the Security+ certification test, and used an Anki deck as part of my prep for that. Otherwise, I have a Greek alphabet deck I like to review, and a bunch of basic math stuff (pre-algebra, algebra, trig level stuff) just to help keep that stuff in mind.