Utilities

exo-open – Open URLs and launch preferred applications

https://linux.die.net/man/1/exo-open

Helper shortcuts

Settings app creates .desktop files in .local/share/xfce4/helpers.

Panel Clock

You can set the font size and color and stuff using this kind of line:

<span font="Arial 8" color="#FF0000">%d %B %Y%n%H:%M</span>

Reference: https://docs.xfce.org/xfce/xfce4-panel/clock

Sessions

Avoid saving sessions (annoying + leads to xfdesktop bugs)