Building a Superhuman-Style Collaborative Email Editor with Next.js and Velt🔥 (opens in new tab)

Introduction Superhuman rethinks email as a fast, focused workspace. Its clean interface and keyboard-first flow make working through email feel deliberate instead of noisy. Adding collaboration to this kind of experience is where things get difficult. Real-time updates, user presence, inline comments, and notifications usually require complex backend systems and real-time infrastructure. In this tutorial, we’ll build a Superhuman-style collaborative email interface using Next.js and Velt. Th...