The Texas Real Estate Center at Texas A&M University. 
It has many articles available to educate both buyers and sellers as well as real estate professionals.
recenter.tamu.edu
stephenville.tamu.edu

Texas Realtors
Another site where articles are posted to educate both professionals and clients alike about current issues pertaining to real estate.
www.texasrealestate.com

Google Maps
Place to get directions and maps to a listing.
maps.google.com

Lone Star Land Bank
A great place to find financing information. The bank is headquartered in Weatherford TX.
www.lonestarflba.com

Greater Fort Worth Association of Realtors
Janna Brimer is a member of Greater Fort Worth Association of Realtors. Association offers courses on real estate and membership for associates. Located in Fort Worth, TX.
www.gfwar.org

Texas Christian University Center for Texas Studies
Ranch management courses are available as well as courses about Texas history. Located in Fort Worth, TX.
www.texasstudies.com