UnCraftable Addon
Un-Craftable is an Add-on that added new crafting recipes for those almost all items and blocks that you can't craft such as totem, saddle, horse armors, saplings, obsidian, grass block podzol, even spawn eggs and etc. You can also craft unobtainable blocks such as bedrock, mob spawner, end portal frame, spawn eggs, chemistry equipments and even creative blocks such as command block and barrier.