mac productivity tool
(1)Alfred
(2)Iterm2
Reference: http://www.tuicool.com/articles/B3yQvy2
(3) TotalFinder
(4) Little Yellow Duck
Cyberduck
Download address: Link: https://pan.baidu.com/s/1jHWvVxk Password: ub7j
(5)zsh
Reference: http://www.tuicool.com/articles/zUNraqY
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