MCConfig is a Minecraft Crafting/Smelting Recipe maker. You can also add fuels or enable fly mode, better plants and other mods, (They are all the in the Zombe ModPack) and even export them to share then with your friends!
You will need the 'Zombe ModPack' to use it.
Visit http://mcconfig.com.nu/ for more information.
(Screenshots are still from version 1.6.6)