Cashify - Cashify has earned a good fame and name in the field of used smartphones, tablets, and laptops.
Skuuudle - Discover, match and monitor your eCommerce competitors.
DigiCircle - DigiCircle is a multipurpose platform with the main purpose of serving as a platform for trading in used and second-hand stuff.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Cellular Country - Cellular Country is one of the largest and probably the cheapest sources over the internet for dealing in used smartphones, refurbished smartphones, and unlocked smartphones.
BuiltWith - Find out the technology behind websites