Terminal is part of the developer/administrator’s day to day tasks. Mac built-in terminal lacks features and the followings are the alternative I am using
Bonus
If you want to learn terminal commands, head to Command Line Fu
Books
- Machintosh Terminal by Daniel Barrett
- Learning Unix for OS X by Dave Taylor
Other list
- Terminal Alternatives for Mac OS X – AlternativeTo.net
- Beyond Terminal: 4 OS X Terminal Alternatives written by Samuel James Scott in 2014
- The Best Terminal Emulator for Mac OS X written by Adam Dachis in 2011
Dot ... 
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