http://en.wikipedia.org/wiki/Online_casino - This is the wikipedia page that discusses online casinos. It's a good source for information if you're new to online gambling and would like some info about what online casinos are and how they work.
http://www.dmoz.org/Games/Gambling/ - This is the link to the DMOZ category for gambling where you'll find sub-categories which include listings for guides, slots, blackjack, poker portals and more.
http://www.onlinecasinotopic.com - This is a great resource for both newbie players and those with some experience playing at online casinos. They list some great information along with detailed reviews of online casinos and more.
http://www.winnercasino.com - These guys have a simple site but just list some of the best online casinos that are out there. It's not the greatest site out there but id does make for being able to make some quick decisions on where to play.
http://www.casinopeople.com - This online casino guide is fairly detailed and offers reviews, news, articles and other great information about online casinos and gambling online.
http://www.slotsdetails.com - If you're interested in learning more about online slots gambling then this is a great resource. Learn about 3 reel slots, 5 reel slots, video slots and other types of slots available to be played at online casinos.
http://www.bestunitedstatescasinos.com - This guide really caters to players from the United States. If you're a player from the US looking to play at an online casino this is a portal that would come recommended.
http://www.downloadonlinepokies.com - This site focuses on providing information for Australian players who call slot machines pokies. It's an educational site about slots/pokies that you should check out even if you're not a player from Australia.
http://www.pokerlistings.com - This is probably the best online poker portal we've ever come across. They feature some of the most comprehensive reviews of online poker sites, strategy, advice information and more. If you're a serious poker player and haven't visited Poker Listings before then you're missing out.
http://www.bestcanadiancasinosites.com - Looking for the best Canadian online casinos to play at? If so be sure to swing by Best Canadian Casino Sites as they offer a listing and reviews of some of the most trusted and reputable Canadian player online casinos out there.
http://www.onlinecasinoapproved.com - A great site that offers reviews of top rated US and NON-US player accepting online casinos. Information about various aspects of gambling online as well as details on each of the popular casino type games such as slots, blackjack and video poker.
http://www.online-slots.cc - Play online slots at truste and reputable online casinos found here on Online-Slots. Download and play for fun or real money and take advantage of some of the great bonuses the casinos featured here on this page have to offer.
http://www.101onlinecasino.com - A very comprehensive guide to online casinos that offers some of the most indepth reviews we've ever read at an online casino. Also offering a great selection of free games in which to play and more.
http://www.freeslotsinfo.com - If you're looking to play free slots games and looking for where to play for fun or real money either slots or other games this site offers just that. Also find information to better educate yourself all about slots.