yeah but they dont seem to want to do em for 8ft beds except for maybe later the new body style.You mentioned maybe adding some attachments along the inner bedsides. This company gets great reviews for their Ford products, and they have RAM/ Dodge stuff coming out very soon.
https://www.builtrightind.com/
I plan on adding their brackets to my Power Wagon. Good basis for mounting whatever kind of gear you need.
i added some tie down rails made of unistrut just like the rails in the toyota trucks and it works great.