OzSales
Buy, sell or trade. Just submit your advertisement pay the fee and your ad stays until sold or you ask for it to be removed.
http://www.ozsales.net/

Trading Post
Australia's choice of cars, computers, boats, home and lifestyle items for sale.
http://www.tradingpost.com.au/

Used Parts
The database advertising spare parts for mining, earthmoving and agricultural machinery.
http://www.usedparts.com.au

Adpost Classifieds
Free classifieds for cars, jobs, real estate, personals, collectibles, computers, electronics, pets, travel, and business opportunities.
http://www.adpost.com/au/

Auction Trader Online
Traditional and online auctions, used computers and hardware. Located in Melbourne, Victoria, Australia.
http://www.auctiontrader.com.au

FarmTrader
Farming Classifieds and News for farmers and people on the land in Australia and New Zealand.
http://www.farmtrader.com.au

Australian-E-Sales
Classified ads including homes, businesses, vehicles and boats.
http://www.aus-e-sales.com.au

freeAd.com.au
Free advertising portal including classifieds, directory, personals, event submission, forums and on-line games.
http://www.freead.com.au

dClassifieds
Free classified ads broken down into category.
http://www.dclassifieds.com.au

Oz Ads
Free classifieds with photos.
http://www.ozads.com.au/

YouSell.com.au
Online Australian classifieds specialising in boats, cars and houses for sale by owner.
http://www.yousell.com.au/

Classifieds
Classifieds site with autos, boats, pets, machinery, real estate, personals, furniture and agriculture.
http://www.classifieds.com.au/

Gumtree
Free listings of flatshares, rentals, classifieds, personals, events, and jobs for several of the major cities. Listing form, policies, and site history included.
http://www.gumtree.com.au/

ninemsn Classifieds
Includes cars, jobs, personals and real estate.
http://classifieds.ninemsn.com.au/

pups4sale
Puts Australia's puppy sellers and buyers together. Includes adds by breed and breed information.
http://www.pups4sale.com.au

Ozfreeonline Classifieds
Free classifieds site for cars, real estate and many other categories. Has searchable database and contact details.
http://www.ozfreeonline.com/

Machinery Mart
Machinery for sale including farming equipment and engines. Search advertisements or add a listing.
http://www.machinerymart.com.au