Click these free links for products you may find interesting.

Wago 221 Series Lever-Nuts (I use these all the time!)
https://www.wago.com/us/lp-221 

 

Icotek Split Multi Cable Transit for Cable with Connectors (These have really cleaned up my cable routing game!)

https://www.icotek.com/en-us/products/multi-cable-transit

 

Essentra Components manufactures and distributes small, essential components, such as protective plastic caps, workholding clamps, fasteners, knobs, handles, grips and PCB hardware.

https://www.essentracomponents.com/en-us/samples