Sure! Here are some commonly used online marketplaces for used goods by country, sorted by volume:

United States:

* Craigslist
* Facebook Marketplace
* eBay
* OfferUp
* Letgo

United Kingdom:

* Gumtree
* eBay
* Facebook Marketplace
* Preloved
* Shpock

Canada:

* Kijiji
* Facebook Marketplace
* Craigslist
* VarageSale
* Letgo

Australia:

* Gumtree
* Facebook Marketplace
* eBay
* Trading Post
* Carousell

Germany:

* eBay Kleinanzeigen
* Shpock
* Facebook Marketplace
* Quoka
* Markt.de

France:

* Leboncoin
* Facebook Marketplace
* eBay
* Rakuten (formerly PriceMinister)
* Vinted

Japan:

* Mercari
* Yahoo Auctions
* Rakuten
* Craigslist
* Facebook Marketplace

Note that this list is not exhaustive and there may be other popular marketplaces in each country.
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