[jciochon]

Ctrl-a and ctrl-e will go to the beginning and end of a line respectively in most places on Mac. There are many of the “standard” Linux/unix keybinds available for most apps.

[musicale]

Having some emacs-like text editing key bindings (^{a,e,b,f,n,p,v,y,k...}) is one of my favorite NeXTSTEP leftovers in macOS.

I believe that they can be customized and extended as well.

[rdsnsca]

System Preference / Keyboard / Shortcuts lets you change most of them.