Zsh, z-shell is a more flexible and configurable shell. It offers an enhanced scripting language, greated configurability and pluggability over the standard shell while still implementing both the POSIX standard and conventions used with bash, dash and sh (as the POSIX standard is unfortunately far from complete).

Themes

Geometry is a minimal and customizable zsh prompt theme

Utilities

fasd is an all-in-one shell productivity booster fuckcorrects your last console command.

Alternatives

Oil shellis a new Unix shell alternative that can be compiled and deployed as a native executable. https://github.com/nushell/nushell

Configs

https://github.com/jeremyf/dotzshrc Be careful editing bash scripts