The desktop environment in Alpine has no official desktops, in older versions was Xfce4 but now, any GUI and graphicall interface are community contributed such like LXDE, Mate, some other are available but due some bloaded integration are not complete supported.

Please, if you find something not easy to understand about the integration of the variety of programs, take in consideration further reading till the end of this page to understand important notes about Behavior of Desktop Environments in Linux

So you can choose from those options or follow the next suggested Alpine Newbies: Xorg and Openbox page.

Alpine Desktops: Complete Desktops

Alpine are not a graphical focused system, so there's only two complete desktops: XFCE Desktop Environment and LXDE Desktop, that last make also available the Openbox Window Manager.

Alpine Desktops: Community Contributions

There's some contributions that periodically will be complete desktops, available using the Community Repository Packages like the MATE Desktop environment; others need Wayland that has some compatibility problems:

Alpine Desktops: Upstream and external ones

All of the original upstream desktops can be installed by the traditional Unix-like method by downloading and compiling it:

Alpine Desktops: Multimedia

After having your preferred desktop you can also an improvement to your desktop with:

Alpine multimedia for users (Audio and video multimedia related software and setup)
Alpine multimedia for editing and amateurs (Amateur related such editing and converting tools)

Alpine Desktops: emulation and gamming

Alpine is capable of providing a good platform to play games and enjoy:

Tutorial series

Previous required	What's next to read
Alpine newbie apk packages	Alpine Newbies: Xorg and Openbox

Desktop environments and Window managers