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.

G2 Crowd - G2 Crowd is a peer-to-peer, business solutions review platform

TrustRadius - TrustRadius is the site for professionals to share real world insights through in-depth reviews on business technology 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.