Offers free listings and message boards for rummage sales, swap meets, flea markets, and local businesses throughout North America. http://www.midwestrummage.com/
Aimed for homeschoolers, but open to other families and to businesses. Used curriculum, books, supplies, and other items. Accepts ads from those looking to buy as well as from those wishing to sell. http://www.homeschoolads.com/
Offers separate directories for items for sale in Australia, Canada, the United Kingdom, and the United States. Images, descriptions of items for sale, and e-mail links to the sellers. http://us.freeads.net/