This links was collected during some months by surfing the web. If you can replenish the list you are welcome.

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Backgammon7 - http://backgammon7.net/
BackgammonMasters - http://www.backgammonmasters.com/uk/
BlackChipPoker - http://www.blackchippoker.com/
bwin Games - https://games.bwin.com/backgammon.aspx
CasinoRip Backgammon - http://www.casinorip.com/backgammon/main.do
Club Games - http://www.clubgames.com/games/backg...gammonIndex.do
DiceArena - https://www.dicearena.com/
GameAccount - http://www.gameaccount.com/
Games 4 Money - http://www.games4money.com/game/backgammon.html
GamesGird - http://www.gamesgrid.com/backgammon/main.do
Gammon Empire - http://www.gammonempire.com/
Gammon Fortune - http://www.gammon-fortune.com/
Gammon Ventures - http://www.gammonventures.com/
GammonGame - http://gammongame.com/
Goldfishkanardy - http://www.goldfishkanardy.com/
Jack's Backgammon! - http://www.jacksbackgammon.com/
Ladbrokes Backgammon - http://backgammon.ladbrokes.com/en
MisterGammon - http://www.mistergammon.com/
NetGammon - http://www.netgammon.com/index.asp?Lng=uk
Paf - http://secure.paf.com/Dice.htm?wt=PA...c=menu:dicetab
PartyGammon - http://www.partygammon.com/
Play65 - http://www.play65.ru/
PokerNordica.com - http://www.pokernordica.com/en/poker...backgammon.php
PrimeBackgammon - http://primebackgammon.com/
Sportingbet Backgammon - http://www.sportingbet.com/t/backGammon/backGammon.aspx
StarGames - http://www.stargames.com/games_detai...ackgammon.html
The Ultimate Game Room - http://www.ultgameroom.com/
TrueMoneyGames - http://www.truemoneygames.com/backgammon.html
William Hill Backgammon - http://skill.williamhill.com/backgammon.shtml
Worldgammon! - http://www.worldgammon.com/
XcitingGames - http://www.xcitinggames.com/xg-games.html

dont know how you can miss pogo.com

The links I suggested are only "play for money".

Also - not online, but great for anyone at any level of the game....GNU Backgammon