Dynamic Campaigns by Sigstr
Nova Inbox
InboxSDK
Gmail Mail Merge
Mailtrack.io
Kestra.io
Dynamically Personalized Emails by QGraph
PushMarket
The Product Management guide
Product School
The Product Manifesto
Intercom on Product Management
Product Management Exercises
Intercom
Software Product Management Stack
The Product Folks
Dynamic Campaigns by SigstrNova Inbox - Personalize emails in seconds, right from your inbox
Product School - The global leader in product management training
InboxSDK - First usable API to write Gmail Apps for 1B active users
The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.
Gmail Mail Merge - Send personalized emails with attachments
Intercom on Product Management - The ultimate resource for aspiring product managers