Let me you know about EFASS ! This is a versatile flight planner and moving map software for virtual pilots (flying in FSX, FS9, P3D or X-Plane).
It completely free, you only to register to download the software. Once installed, you can display network traffic and ATC, weather map and charts. EFASS also features a night mode, passengers lists generated, ready for use on a separate PC via network, export to addons via plugins system. Visit the official page http://froom.de/.