Contact.
Product support — EditItAll
EditItAll is free to use; how-it-works and privacy details live on the product site.
Product support — AutoPSEO
Support for AutoPSEO is handled on the product site: its contact page says where to write about support, sales and privacy.
Product support — Jotword
Support for Jotword is handled on the product site: its contact page says where to write about accounts, subscriptions and privacy.
Product support — 360Interview.ai
360Interview.ai is free to use with no account; its tools and guides live on the product site.