Can somebody show me a free software to reate and edit chess puzzles?

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PoisedScent

Hello everyone.

I'm willing to create a database of puzzles of missed opportunities that I or my opponents had on my games, and keep solving then daily, to make sure I don't make the mistakes again.

So, I was wonderings if Is there any free softwares out there that let you create your own puzzles, add into a database and let you solve then?