Laminar Research Tools
These tools are created by LR for X-Plane. They are all open source and also available as ready-to-download binaries:
- WorldEditor. WorldEditor is a graphical scenery editor. You can use it to create overlay scenery and customize airports.
- MeshTool. MeshTool is a command-line tool to build base meshes from raw data.
- AC3D Export Plugin. This plugin allows the 3-d editor AC3D to import and export X-Plane .OBJ 3-d models.
Third Party Tool Links
Jonathan Harris has developed a set of export scripts for Blender, a free, powerful 3-d modeler: http://marginal.org.uk/x-planescenery/.
Ondrej Brinkel is developing an addon for the new Blender 2.5x: https://github.com/der-On/XPlane2Blender