Software Advice - Software Advice is a company that provides research and user reviews on software applications.
GetApp - Review, Compare and Evaluate small business software. GetApp has software offers, SaaS and Cloud Apps, independent evaluations and reviews
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.
Web App Meister - An advanced comparison engine for web apps.
TrustRadius - TrustRadius is the site for professionals to share real world insights through in-depth reviews on business technology products.
G2 Crowd - G2 Crowd is a peer-to-peer, business solutions review platform