Do you use software like Chess Position Trainer?

Hi! To increase my chess understanding I've decided to learn more openings. Some time ago a weeker collegue recommended me software like Chess Position Trainer. What chess software do you use?

Chess position trainer is no good. Just opening book is enough then studying an opening and after that look at some GM games.

I use Chess Position Trainer every day and think it's great. I also use Lucas Chess and Scid quite regularly.

Q g7

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