What are some alternatives?
When comparing Moz and SpyFu, you can also consider the following products
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Optmyzr - Optmyzr AdWords Tools. Optimization Solutions, Quality Score Tracker, Landing Page Checker, and more. Free Trial Available.
Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
Majestic - Majestic - Link intelligence tools for SEO and Internet PR and Marketing. Site Explorer shows inbound link and site summary data.
LiveIntent - LiveIntent is a web platform that offers effective e-mail advertising services for marketers and publishers.
Screaming Frog - Screaming Frog is search engine marketing agency offering search engine optimisation and pay-per-click advertising services.