Here are few very useful links: their products are of high quality, you only have to choose what suits you to improve your virtual flight experience.
Flight simulators:
Aerofly FS2:Aerofly
Flight Gear: Flight Gear
Flyinside Inc: Flyinside
GeoFs: GeoFs
Infinite Flight:Infinite Flight (For Apps)
Lockheed Martin Prepar3D: Prepar3D
Microsoft flight simulator 2020, Deluxe Edition: MS2020
Rortos: Rortos
X-Plane: X-Plane
Weather engines:
Active Sky Next (ASN)
Pilot’s FS Global Real Weather (FSGRW)
OpusFSI
REX
xEnviro (X-Plane)
Flight planning for X-Plane:
XFlight Planner
Sky Vector
Sim Brief
XP Goodway (payware)
Cloud Texture sets:
Tools:
In order to improve the visual effects of rain, snow, contrails, etc: PrecipitFX
For gliding activities and to be able to see shadows on the ground due to the presence of clouds, for those who do not use P3D, there is Cumulus X: Peter Luerken’s Flight Simulator Tools
An essential site, since it holds the FSUIPC and MakeRunways files (used among others for the Metal2Mesh Mirage 2000C):The Official Peter Dowson Page – Schiratti.com
To help you fly a complicated aircraft: FS2 Crew
For X-Plane, the program improves the weather and offers a possibility of modifying the colors and general look of your flying environment: X-Aviation
For X-Plane, a reality expansion pack: Simcoders
For charts and navigation data: Navigraph
Apps for flight training
Flygo Aviation (For IFR training)
Gyronimo for aviators
FlybyWifi
Extreme landings
VOR tracker and IFR procedure trainer
Aerofly 2
FSIM Space Shuttle
Remote Flight (For Apple)
AirTrack and AirFMC (For Apple)
Flight Training
FS Flying School
Airline2Sim
PRO-ATC/X
Pilot2ATC (Also works with X-Plane via XUIPC)
FSi Panel
Added armaments:
On the VRS site you will find the famous TacPack, which contains the armaments used by the VRS FA-18E Superbug X and the Metal2Mesh Mirage 2000C (and the military aircrafts to come).
Fighting against forest fires
For FSX and P3D, you can practice fighting against forest fires: Fire Fighter X
Paramotors:
On the website Franz Luftfahrt you will find a very well executed paramotor that works with all virtual scenery makers like Orbx, Fly Tampa, etc. The site offers free additions to some well-known virtual airports that will enhance your virtual flight experience.
Fighting a virtual battle (single or multiplayer)
For those of you who are interested in being involved with a predetermined scenario: Il-2Sturmovik: Battle of Stalingrad et Il-2Sturmovik: Battle of Moscow
Over Flander’s Fields
Wings over the Reich
War Thunder
Virtual aviation stores offering products from several companies:
Aerosoft
FS Pilot Shop
Just Flight
Microsoft Marketplace (no internet direct link, in-store with MSFS 2020)
Orbx
Onesimstore
PC Aviator
Simmarket
Simshack
Store.X-Plane
The FlightSim Store
Aviation Videos: to change your mind!
Red Bull Akte Blanix II
Crosswind landings at Dusseldörf
If you don’t get vertigo with that…