This is the list of all 118 items available under the "Blueprint" tab in-game.
Every time your character levels they will gain a number of Points which can be exchanged for Blueprints but when you reach each level where you unlock new Blueprints you can an additional 2 research points to the one you get for leveling. When spent these give you the knowledge on how to craft new items. You will then have to spend additional materials to actually build them.
You can reset your skillpoints by spending 5 coins.