Building a Zulip Style Collaborative Chat App with Next.js and Velt

Zulip is known for keeping conversations organized. Topic-based threads, clear context, and async-friendly discussions make it a favorite for technical and distributed teams. Unlike traditional chat apps, conversations in Zulip stay readable even as teams scale. Recreating this experience can be a bit difficult. Real-time messaging, user presence, inline comments, and notifications usually require a complex backend and real-time infrastructure. In this tutorial, we will build a Zulip-style colla