What's the difference between WinRAR and WinZip?

Related questions

1. Is WinRAR better than 7zip?
2. What compression method is best?
3. Can encrypted files be hacked?
4. What is the difference between 7z and ZIP?
5. Is RAR and ZIP the same?
6. What does dictionary size mean in winrar?

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14. #winrar
15. #winzip
16. #compact
17. #developed