If you're looking to chat about just about any topic under the sun, you'd do well to give PaltalkScene (free) a try. Are you a fan of trance music, dance music, Elvis, or Beethoven? There are chat rooms for you. Want to chat with others about professional wrestling, beauty tips, or day trading? There are chat rooms for you as well.
To find a room for your interest, you can launch PaltalkScene and browse all the chat rooms by category, then drill down to find the specific room you want. If you prefer, you can also do a search by keyword. When you find a room in which you want to participate, enter and start chatting with your keyboard or via voice.
You can also create your own private chat rooms, and you can also do one-on-one chats via instant messenger. The free version of PaltalkScene gives you unlimited text and voice chat, but you'll only be able to view 10 seconds of video chat. If you want unlimited video, you'll have to pay a monthly fee.
This newest version of PaltalkScene includes several new features, including the addition of "guides" who can help introduce you to the service. In addition, it auto-starts your webcam when you enter a room. There's also Outlook integration, which lets you you can invite friends directly from Outlook to join you in Paltalk chats.
Note that when you log in and create an account for PaltalkScene, it can install the Ask Toolbar for searching and make Ask.com your home page for searching. Make sure to uncheck that option if you don't want it installed.