PluginBlueprint is a visual editor, which allows you to create plugins for Bukkit/Spigot by adding & connecting nodes, without having to write a single line of code. This was inspired by the Unreal Engine 4 Blueprint Editor.
InventivetalentDev/PluginBlueprint
Node based visual programming editor for creating Spigot/Bukkit plugins
JavaScriptBSD-3-Clause