Extremely customizable

Powerlevel10k can be configured to look like any other Zsh theme out there.

Powerlevel10k Other Theme Emulation

Pure, Powerlevel9k and robbyrussell emulations are built-in. To emulate the appearance of other themes, you'll need to write a suitable configuration file. The best way to go about it is to run p10k configure, select the style that is the closest to your goal and then edit ~/.p10k.zsh.

The full range of Powerlevel10k appearance spans from spartan:

Powerlevel10k Spartan Style

To ~~ridiculous~~ extravagant:

Powerlevel10k Extravagant Style