Horizon Simulation - producers of the excellent VFR Generation-X Photoscenery that my EGBB scenery for FSX is designed to fit seamlessly over.

FSInsider - Microsoft's offical website for Flight Simulator X.

Visual Flight - producers of the excellent VFR Photographic Scenery that my EGBB scenery for FS2004 is designed to fit seamlessly over.

FSDevloper - an online design community with forums and design tools for flight simulator

FSX Planner - a freeware graphical editing tool to allow creation and editing of FSX airport layouts.

Whisplacer - a freeware graphical tool for placing 3D objects created using GMAX into FSX.

DXTBmp - a tool to create and edit textures for use with flight simulator objects and scenery.

GMAX - a 3D modelling tool used in conjuction with Flight Simulator SDKs to produce objects for use in Flight Simulator

NATS Aeronautical Information Service - here you can find up-to-date aviation charts for all UK airports, including EGBB.

IVAO - the International Virtual Aviation Organisation provides the Flight Simulation community a highly realistic aviation environment including a real-time system for online flying (as pilot) and controlling (as air traffic controller), databases with aviation information, and organized training and online events. This link takes you direct to the UK division.