Content Marketing Stack - A curated directory of content marketing resources
Content Idea Generator - Free tool creates ideas for your content marketing strategy
THE BAMF BIBLE - 25+ Growth Hacks (Updated for 2019)
cognitiveSEO - The cognitiveSEO tool provides a unique analysis process that delivers Unparalleled Backlink Analysis, Content Audit and Rank Tracking for Every Site.
Zestack - Stackoverflow for marketing & growth
Portent - Portent is a top-notch marketing platform that has been designed completely for your business needs to enhance the brand identity with the help of innovative solutions.