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I like to work with Jira.
@Mohammed Rahim Jira is a great product and is easy to learn. I would suggest setting up a free Jira cloud hosted plan here: https://www.atlassian.com/software/jira/free
You can then go here to learn more about the product. https://training.atlassian.com/free-training-catalog
I agree with @Brant Schroeder !
The best way to get started!