Flare by GoDaddy - Discover, give feedback and support startup ideas

MJML - The open source framework for responsive emails

Wittycircle - Networking tool for entrepreneurs, makers and curious minds.

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.

Generating Product Ideas - Find ideas for your next business or side project

Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.