Universal Avionics Systems Corporation
Allows you to perform offline GPS FDE predictions for remote/oceanic operations.
Flight Planner is one of major improvement achieved by FSX.
Aerosoft Flight Calculator does all the calculations you need during your flight.
Traffic X is an add-on for users of Microsoft Flight Simulator FSX.
All your favorite Flight Sim sites are all a click or two away!
Just Flight Ltd
VLJ Business Jet is an add-on for users of MS Flight Simulator FSX or FS2004.
Add pilot information to obtain weather briefings and file a flight plan.
VFR Flight Planning is an all-in-one VFR flight planning tool.
Central Park Informatica
Super Flight Planner is flight planning software for Microsoft Flight Simulator.
Professional solution for VFR flight planning and in-flight navigation.
Plan-G is a VFR flight planning tool for Microsoft Flight Simulator.
Is a PC-based flight planning software solutions for general aviation pilots.
Rontal Colour Inc
VFR and IFR (Canada low-level airspace) flight planning software.
SeeYou is a flight planning and analysis tool for glider pilots.
Horizons Aviation Ltd
It is intended for use as part of flight planning.
GoodWay is the best flight-planning tool for X-plane available.
The data you need makes pre-flight planning run more smoothly.