http://www.evolved-software.com/treeit/treeit
Tree It is an easy to use and powerfull real time 3d tree generator for the simple creation of your very own 3d tree models for your dark basic pro and dark GDK apps and games. All Tree It model exports are 100% free to use with any engine and project, whether it’s darkbasic or unreal 4.
Features Very easy to create high quality 3D trees. Create any tree, not limited to just one tree type. Edit joints as well as break joints. Render to image for leaf creation. Adjustable LOD slider. Exports to .dbo .obj *.x .
Free.