Tradera.com is an online marketplace based in Stockholm, Sweden. With its 3,6 million members, 6 million weekly visits and more than 3 million listings at any given point (2024), it's the largest marketplace in the Nordics for sustainable shopping. Items are sold from both private consumers and businesses and are ranging from fashion and interior design to tech and collectibles. Although Tradera welcomes members from all over the world, most are from within the EU and Sweden.
https://en.wikipedia.org/wiki/Tradera