Courseplanner
- Add-on flight planner for creating adventures and flight plans. Includes screenshots, downloads, tutorials and support forums.
- http://www.myoddweb.com

Irish Flight Sim Design
- Addons, particularly scenery of Ireland. Also includes a related discussion forum.
- http://www.ifsd.ie/

FS Repaints by KL 204
- Includes plane repaints and scenery downloads.
- http://www.melieste.nl/FS2002/index.shtml

EagleSoft Development Group
- Creators of add-on Cessna and Raytheon business jets.
- http://www.eaglesoftdg.com

FSAircraft
- Utility to list details of installed aircraft. Offers information, screenshots, documentation, and downloads.
- http://www.rahnsoft.com/fsaircraft.htm

Aircraft, Repaints, Scenery Directory
- Directory of add-ons via links to external sources.
- http://www.fsplum2004.mail15.com

FSimCafe.com
- Freeware aircraft, sounds, scenery and utilities. Provides information and downloads.
- http://www.fsimcafe.com

Aviograsf
- Aircraft add-ons. Offers information, screenshots, downloads, and purchase information.
- http://www.aviograsf.com

Gary Widup's Flight Simulator Scenery
- Provides scenery enhancements. Offers information, screenshots, and downloads.
- http://www.avsim.com/hangar/utils/gwidup/

FreeMIOS
- Information and downloads for a modular system for connecting external input and output devices.
- http://www.freemios.reist.be/

IGFly
- Passenger jet aircraft add-on. Offers information, screenshots, and ordering information.
- http://www.igfly.com

FS Force
- Includes an add-on module which enhances force feedback effects for the series. Also includes feature information.
- http://www.dirks-software.ca/fs-force/

Skycolors.com
- Includes repainted planes, panels, sounds, and game utilities.
- http://www.skycolors.com/

Flight Simulator Scenery Creator
- Freeware utility for creating scenery. Includes downloads, support forum, tips and screenshots.
- http://www.fssc.avsim.net/

Mirage Aircraft for Flight Simulator
- Includes planes, scenery, panels and sound focusing on the Mirage military aircraft.
- http://www.mirage4fs.com/

Simcrawler
- Contains plane, panel and scenery downloads.
- http://www.simcrawler.uklinux.net

Flight One Software
- Creators of add-on software. Also sells add-ons from many other developers.
- http://www.flight1.com

Aeroplane Heaven
- Includes combat and commercial add-on aircraft.
- http://www.aeroplaneheaven.com

FS Navigator
- Add-on program providing navigational map, flight planner and flight management system. Includes downloads, screenshots and support forum.
- http://www.fsnavigator.com/

M.M.Niemi's Planes
- Contains planes, links, and panels.
- http://www.flightsimnetwork.com/mmniemi/

Spanish Scenery
- Includes scenery and navigation charts related to Spain.
- http://www.xmission.com/~dderhak/fsim.htm

Aircraftsim
- Includes planes, panels and scenery downloads for FS98.
- http://www.aircraftsim.de/

SurClaro.com
- Includes aircraft, panels, scenery and tools for download. Also offers news, help and discussion forum.
- http://www.surclaro.com/

Microsoft Flight Simulator Downloads
- Includes aircraft, panels, sounds, airports, scenery, and tools. English and German.
- http://www.fsdome.com/

Bertil Nilsson Flightsim Page
- Contains downloadable planes.
- http://hem.passagen.se/sfksite/bertil/

FSJets
- Offers freely downloadable business jet add-ons.
- http://www.fsjets.com/