Really Good Emails - A large collection of good product email design.
The Influencer Marketing Stack - Free resources to launch a killer campaign
Email Love - Email design inspiration, templates and discovery
Startup Stash - A curated directory of 400 resources & tools for startups
Stripo - Stripo is an all-in-one email design platform. We enable our clients to build emails of any complexity, including interactive AMP emails, really fast and easy.
Makerbook - A directory of the best free resources for creatives