X-Plane.org - An active community site containing a store, forum, a wide selection of downloads and game information including tutorials. X-Plane.com - Official developer's website. Includes information, game demo and downloads. The X-Plane Freeware Project - Provides a broad range of aircraft and scenery. X-Plane Developer - Official information and resources for developers from the X-Plane development team. OpenSceneryX - A library of free to use scenery objects. X-Plane Scenery Tools - A variety of tools for building scenery, including the widely used OverlayEditor. X-Plane SDK - Information about the software development kit for plugins. AIR.C74.NET - A selection of payware aircraft, including an extensive range of Piper models. Shade Tree Micro Aviation - A selection of payware and freeware aircraft, scenery and plugins. X-Hangar - A selection of payware aircraft. Peters Aircraft - A selection of payware aircraft, including airliners, military and general aviation. X-Plane Airport and Navigation Data - The official source for airport and navigation data, allows users to submit data for inclusion. XPFR - Association of French-speaking creators - freeware aircraft and scenery. The x737 Project - Boeing 737 aircraft. X-Aviation - A selection of payware aircraft, software and scenery. XAddonManager - A utility to manage addons. MR3D X-Plane Design - World War II aircraft and scenery. Wilson Aircraft - A wide selection of aircraft. alpilotx - High definition mesh scenery and other scenery add ons.