What are /r/Nghia_la_gi's favorite Products & Services?

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Translation was bit hectic but got the main idea, thanks.
We're fans of this subject and what gravitates around it, in our team. We wrote an article on the subject and we'd love your opinion:
https://zenkit.com/en/blog/7-popular-project-management-methodologies-and-what-theyre-best-suited-for/