This is an open question. Do we really want to use the J word at all? But let me just put some of these words out here. They certainly cover different pattern of activities.

Paticipatory Journalism （参与新闻学）
Open-Souce Journalism （开源新闻学）
P2P Journalism （P2P 新闻学）
Interactive Journalism （互动新闻学）
Citizen Journalism （公民新闻学）
Personal Media （自媒体）
Grassroots Reporting (草根报导）
What else?