arturv:

 

came across a deck with non-right angle joist fixings:)

 

Click to see full size

 

bent lumberlok cpc80 bracket. I did't know you can do this.

 

 

Those look like Mitek CPC (concealed Purlin cleats) which have been utilised constructively. Pryda and other manufacturers all do similar items. As long as the loading complies, its OK. All of these different items have standard characteristic load ratings which can be applied.