http://bigboibets.com/ is the best for gambling in my opinion, they have poker tables where you buy chips then play poker with those chips and can cash out whenever you want and it has alot of visuals which makes it enjoyable also you can play with friends on a table very easily.
Cora Dyce IRC is decent, but as Dare said Bigboibets is probably the funnest method atm. Even if you don't know anything about poker you can go to all in tables and get (about) 50/50 odds on bets.
Lol, the best one is still Dragon Dyce, longest running dice clan and offers IRC gaming (Dice Duel, 60x2, Blackjack, Over/Under, and Death Match) and Flowers via Join.Me Stream. Come check us out !
The administrators are Joopii and iZinc (former hosts in Fishy/Dragon Dyce and TwistyFC)
It's a runescape poker website that's pretty sucessful atm. In my opinion there is no better professional runescape gambling site on there, and they are 100% legit with giveaways exceeding 500m in prizes every week and 1b a month on top of that.