Rank Math SEO - A FREE powerful and lightweight SEO plugin for WordPress
Appsero - Appsero is a killer WordPress Analytics, Licensing & Deployment Tool. Appsero is the perfect companion for WordPress plugin & theme developers.
LiveJournal - Online blogging software - free for basic users!
Squirrly SEO Focus Pages - Waze for navigating Google Ranking factors
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Freemius - Freemius is a suite of solutions for monetization, analytics, and marketing automation for freemium and premium WordPress plugins.