Frank's Hanger
Frank Bett's home on the web featuring custom scenery, aircraft and utilities for MSFS.

X Plane FAQ
Quality X Plane information for beginners Andy Goldstein

X Plane Freeware Project
Excellent free aircraft site

Simviation
High quality flight sim and aviation related link site

Fsfreeware.com
Freeware mega-site. Large file library covering a wide range of subjects.

FS Gateway
A great general information MSFS Mega-site.

Just Flight
The spirit of simulation, UK

The DC-3 Hanger
A wonderful resource for all things DC-3

Precision Manuals Dev. Group
Home of high quality payware commercial jet aircraft for MSFS

Jet City
Payware DC-9 collection