More of a project management tool, but I used thymer (thymer.stunf.com/) while putting together a social network for dogs for a client. They would just mark th

More of a project management tool, but I used thymer (thymer.stunf.com/) while putting together a social network for dogs for a client. They would just mark the bugs, I'd comment on it, and we'd have a point of reference for when we talked together.