Appsero - Appsero is a killer WordPress Analytics, Licensing & Deployment Tool. Appsero is the perfect companion for WordPress plugin & theme developers.
Freemius - Freemius is a suite of solutions for monetization, analytics, and marketing automation for freemium and premium WordPress plugins.
Textalyzer - Analyze text readability and SEO parameters
AdMob - Earn more from your mobile apps using in-app ads to generate revenue, gain actionable insights, and grow your app with easy-to-use tools.
SEO Analyzer By Neil Patel - A free SEO analyzer for your site
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.