General board game sites:

BoardGameGeek – Great online forum for all things board game. They have a super-fantastic, always-updated list of internet board game resources.

Vintage Board Games blog – it is what it is.

Manufacturing a game:

Right now the best I’ve been able to find for online, on-demand, board game parts is the The Game Crafter.

Digital prototyping:

VASSAL

Vassal is a game engine for building and playing online adaptations of board games and card games. Play live on the Internet or by email. Vassal runs on all platforms, and is free, open-source software.

LackeyCCG

LackeyCCG is a tool for playing any CCG (collectible card game) online (or offline in solitaire mode). It’s also a great tool for building and designing decks. You can create your own CCG or download a plugin of an existing game and play with your friends.

nanDECK

nanDECK is a software for Windows (any version) written as an aid for game inventors, with the aim of speeding up the process of designing and printing deck of cards (useful during prototyping and playtesting).

Selling your game:

Publishing Guide – You guessed it, this covers how to get your game into the hands of a publisher. This site also has more info on their regularly updated blog.

Every year there is Board Game Jam in Toronto!