Effin Amazing UTM Builder - Add UTM tags to your links from a Chrome Extension
Schema App - Schema App empowers the Digital Marketer to own their schema markup strategy through to implementation without ever writing code.
UTMBuilder.net - Easiest UTM tags builder
UpSeo - UpSeo is a best-in-class website traffic generator, allowing you to get more potential visitors to your website and enhance conversions.
InterestExplorer - Discover 1000's of hidden Facebook interests to target.
Link Research Tools - Recover, Protect, Learn and Grow your SEO with LRT.