I've created a PBWorks wiki to facilitate online board game design and development. Ideally I'd like to see cooperative board game design, that is one of the primary reasons for using a wiki - any approved contributor/designer can come along and contribute to the design of a game.
However, you're all welcome to use this just to invite feedback and comment on personal game designs if you'd like (without using the wiki features). This may also be used to call for playtesters and provide a forum for development feedback.
I'd like to open it up to gamers and game designers to use: http://communitygames.pbworks.com
(Nb: you won't be able to view the site before I add you as a user)
Please note that this is not a commercial development, I have no intention of making money from this and the idea is purely to facilitate the development of great board games. With this in mind I've tried to prioritise the development of free print and play games, but I'm happy for this to be used for other commercially viable games also.
If you're interested in being added as a writer please send me a personal message.