Product Hunt Reviews Widget - Embed and encourage PH reviews into your product
Capterra - Capterra helps millions of people find the best business software. With software reviews, ratings, infographics, and the most comprehensive list of the top business software products available, you're sure to find what you need at Capterra.
PaidReview - Get paid for reviewing products
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.
Review Scraper API - Reviews from 50+ sites in JSON
SoftwareSuggest - SoftwareSuggest.com is a business software discovery and recommendation platform.