IKEA headboard: brand new, unopened in box and nice storage space
https://www.ikea.com/us/en/p/brimnes-headboard-with-storage-compartment-black-90269169/

WORKRITE ergonomic keyboard tray: fully adjustable with easy-adjust mechanism (no knobs required). Screws are not included, but standard ones should work.
Similar to: https://shop.workriteergo.com/collections/keyboard-tray-systems/products/standard-adjustable-keyboard-platform

Two backpacks.

All have just been placed on the sidewalk outside of 965 Oak Ln. in Menlo Park after a move-out, please feel free to go and take. Photos attached.