Napoleonic Titles
1e Brigade, 2e Nederlandsche Divisie, Ecole de Mars, Epinions - Napoleon in Russia, Epinions - Prelude to Waterloo, Epinions - Waterloo, International Napoleonics Wargaming Club, Napoleon in Russia Strategy & Tactics Guide, Napoleonic Historical Wargame Club, Napoleonic Historical Wargame Compendium, NWC Napoleonic Wargame Club
US Civil War Titles
American Civil War Game Club, Epinions - Antietam, Epinions - Bull Run, Epinions - Gettysburg, Epinions - Shiloh, The Wild Geese of Battleground Wargaming
Epinions - Battle of the Bulge
Consumer reviews.
Modern Battles Club
A club for online play of "Squad Battles: Vietnam", "Squad Battles: Tour of Duty", "Middle East '67", and "Fulda Gap '85".
Scenario Design Center
"Designed to provide you with utilities and ideas to create custom scenarios for use with all the Battleground games",
The Real Unofficial War Game Page
Run by John Tiller, the designer of Talonsoft's Battleground series. Includes a scenario editor that you can download.