OctoShop for Chrome - Compare prices and get alerts when things are back in-stock
Appsolite - Evaluating software is laborious, time consuming and riddled with a lot of guess-work.
Wikibuy - Find lower prices at other sellers while you shop on Amazon
Social Media Tools Comparison - Compare 150+ social media management tools' plans
NetDania - NetDania Stock & Forex Trader app helps you in adding a company to a watch list to follow any gain or loss in the price and place an order of stocks of a company at the desired price.
Product Hunt - A website that lets users share and discover new products