The first thing that they could make is the obvious - Bows/Crossbows and arrows.
The next I would take as making Staves, Off-Hand items, Holy Symbols, and Shields (in looking at Blacksmithing - there was none)
Another potential recipie could be "Dowsing Rods" - trinkets that could give you a limited tracking for minerals, treasure, or other things.
Engineers can keep their claim to scopes that add damage. Perhaps the woodworkers can make items that do other things - like increase range or attack speed.
Now to add variations to fill out the recipies...
You would have crossbow and bow recipies. As you progress higher, you have more options of bows - some will have stats, others can have proc's
Arrows, could have different types - for example, maybe a recipie calls for frost oil to make Frost Arrows that either turn the damage done to cold damage, add cold damage, or cause a chill effect. Poison Arrows, Explosive Arrows, Root arrows, etc....just making variations on the arrows could add alot of recipies.
Staves can be designed for the different classes, adding variations too.