The default configuration holds a mini breadboard (included), an SD card adapter, 2x micro SD cards, 2x USB devices, a micro-USB shim and of course
Pi zero W + adafruit pi tft 2.2inch: white screen problem : r/adafruit
Docking Hub for Raspberry Pi Zero W/ 2W - MakerSpot
Docking Hub Kit for Raspberry Pi Zero - MakerSpot
Raspberry Pi - ZeroDock
Pi zero W + adafruit pi tft 2.2inch: white screen problem : r/adafruit
Flipper Zero - Prototyping boards - 2x Prototyping Boards klein
ZERO models for 3D printer
ProtoDock - Acrylic dock for Raspberry Pi 3B/4B - Botland
CocoPI - EasyEDA open source hardware lab