can you provide a little more information ? ebay and marktplaats are a little bit more than an Extension. What specific functionality are you looking for ?
[module] PayPal Pro w/Recurring Profiles FREE
[module] 1 Click "Amazon Style" Checkout w/PayPal Pro FREE
[module] Adjustable PayPal Pro Fee FREE
[module] Add Sample To Cart LITE FREE
The guide to fixing just about everything wrong with OpenCart FREE!
Add INFINITE SCROLL to your homepage for FREE!
Live update product price for FREE!
Dynamic generation of Opencart coupon, FREE!