Every saw weather tablesaw, bandsaw, scrollsaw skil saw, and many others have a way to cut both with the grain and across grain. Just the nature of a blade either going up and down or around. That saw looks like it has a sliding miter table and that is why no miter slots. Many ways to build jigs for that saw. Build it off the miter sled, build it off the fence, or build it off the sides of the table. You have to be open minded and google is your friend. There are many videos of different methods.
As far as bandsaw that blade is way to course for that kind of work. Also again easy to build jigs to be used on the bandsaw for various cuts. There is no one jig that does it all. There is no one attachment that does it all to any saw. Various companys offer many options and that is what they make sales on. After market gizmos and gadgets.