Ozblogistan is a service by Jacques Chester. It’s home to:

Club Troppo Politics, economics, law and life from a ‘radical centrist’ perspective.
Catallaxy Files Australia’s leading libertarian and centre-right blog.
Skepticlawyer Two lawyers, a larrikin, a knitter and a scholar on life, law and liberty.
Andrew Norton Commentary from Carlton.
Larvatus Prodeo LP is an Australian group blog which discussed politics, sociology, culture, life, religion and science from a left of centre perspective. LP closed and subsequently reopened.
John Quiggin Commentary on Australian & world events from a social-democratic perspective.
Journal de Jacques Modest scribblings.