Moincoins - Cashback, coupons and rewards for small tasks.
AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.
Eticaly - Find fashion brands that fit your values
SimilarSites - Easily find more sites like those you like.
Greenlight - An app that grades and recommends sustainable shopping.
Product Hunt - A website that lets users share and discover new products