BuyHub

BuyHub is a search engine for collectors and resellers that covers more than 100 marketplaces worldwide, such as eBay, Vinted, Mercari, Facebook Marketplace, Yahoo Auctions, Kleinanzeigen and Xianyu.

Features:
- Search more than 100 marketplaces in 110 countries from a single interface.
- Radars that keep searching for you around the clock and notify you the moment a matching item is listed, in your browser and on your phone.
- Several search terms across several marketplaces at the same time, with duplicates dropped.
- Every result translated into your language, with prices converted to your currency.
- Filters the marketplaces do not offer: positive and negative keywords, seller country, listing date.
- Saved searches you can open with one click.
- Auction alarms that warn you hours or minutes before an auction ends.

BuyHub works on the web, as a browser extension for Chrome and Firefox, and as a mobile app.