Do you want to browse through the compete list of paid menu bar apps? Here you go!
Collection:
Menu Bar Managers
Collection:
Clipboard Managers
PopClip
Collection:
Calendar Apps
Fantastical 2
Fantastical 2 is a robust, intuitive calendar app with a beautiful interface and dozens of features. For instance, a full-fledged mini-calendar that sits in your menu bar for quick access. It works with iCloud, Exchange, Google, Yahoo, fruux, and CalDAV accounts. But… it comes with a $50 price tag.
Collection:
Window Managers
Witch
Collection:
System Tools