BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Reviews for iOS - Keep track of your App Store reviews
Product Hunt - A website that lets users share and discover new products
Review Scraper API - Reviews from 50+ sites in JSON
PitchWall - Browse new startups, and submit your mobile app/games startup's beta page here.
Product Reviews - Concise and unbiased software product reviews