Starting with the macOS Catalina beta, your Mac uses zsh as the default login shell and interactive shell. You can make zsh the default in earlier versions of macOS as well.
A curated list of Terminal frameworks, plugins & resources for CLI lovers.
Oh My Zsh is an open source, community-driven framework for managing your zsh configuration.
Xiki: Expand your Command Line!
Xiki makes the shell console more friendly and powerful
On this blog I post articles on systems administration and programming, particularly where it relates to my interests in Unix, GNU/Linux, shell scripting, C, Perl, Vim, Git, or whatever else takes my interest from a technical bent. A favorite topic is using command-line tools effectively and efficiently.