MJML - The open source framework for responsive emails
Creative Everywhere - Train your creative thinking with fun exercises 🧠
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.
Brain Pump - Random educational videos. Learn something new.
Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.
15 Puzzle - The classic 15-puzzle now online