GuiAPI

GuiAPI is a powerful API for creating easy to create and use settings and menus in Minecraft, and uses TWL (http://twl.l33tlabs.org/).

Old Lawhran thread: http://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1272346-1-8-1-nov-19-lahwrans-mods-worldeditcui