Netfleet: sign up for their catalogue and you will receive a daily list of domains that are up for auction, along with details of the previous day's sales
DN Trade: lists of top .au domain sales for 2014, 2015 and 2016
Name Bio: allows you to search the sales history of specific domains, and also has a list of sales with info on the date, domain, price and venue/platform from which the sale was made
DN Journal: posts weekly sales data as well as having year-to-date and previous years' sales charts
Domaining: top 500 all time publicly reported sales