Content Marketing Stack - A curated directory of content marketing resources
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Zero to Marketing - Short case studies that help you get better at marketing
Drift - A messaging app that helps you grow your business.
The Creative Marketer - Techniques & tools for copywriters, marketers, and creatives
SendBird - SendBird is messaging-as-a-service.