Training openings

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PharmD29

What is the best software for practicing openings? I can't say I am good enough yet to understand how to build a repertoire and utilize it but I want something that has repetition for the best lines. I don't want to build my own lines necessarily because I don't know them well enough.

I don't mind spending a little money to get it but just want to make sure it is the right thing. I am a leisure player definitely not looking to be professional or anything. 

Broadsword79
Chessable is a good one