Review Scraper API - Reviews from 50+ sites in JSON
Reviews for iOS - Keep track of your App Store reviews
Diffbot - Get data from web pages automatically
AnyPicker - Scrape web data without any code, just click what you see.
Product Reviews - Concise and unbiased software product reviews
Zyte - We're Zyte (formerly Scrapinghub), the central point of entry for all your web data needs.