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 collaborative chat application using Next.js, Tailwind CSS, and Velt. Next.js powers the UI and application structure, while Velt adds collaboration features like presence, comments, and notifications without writing backend code. By the end, you will have a working chat interface inspired by Zulip, with real-time collaboration built in and ready to extend. Why Zulip’s Approach Works Zulip’s design solves a problem most chat tools struggle with: conversations getting messy over time.…