# How to Vibe Code Your Own Kumospace (and Stop Paying for It) > Virtual office and spatial collaboration platform for remote teams - Site: https://kumospace.com - Category: Virtual Office & Collaboration - Verdict: **Serious undertaking** (38/100 vibecodeable) - Estimated effort: 4-6 weeks of part-time development ## Verdict You can build a personal spatial video prototype, but orchestrating real-time spatial WebRTC audio mixing and 60fps coordinate netcode requires serious systems engineering. Replicating Kumospace for personal use means grappling with low-level networking that AI coding agents struggle to architect reliably on the first pass. While an AI can scaffold the React frontend, Tailwind grid, and basic WebSocket server, configuring a WebRTC audio mesh where volume scales dynamically based on Euclidean distance between moving avatar sprites involves severe browser audio pipeline quirks, SDP negotiation bugs, and state synchronization lag. For a fun weekend experiment, you will end up with choppy audio feeds and desynced avatars unless you spend significant time tuning WebRTC signaling servers and jitter buffers. ### What you can't replicate - Global low-latency WebRTC media relay infrastructure - Enterprise SOC 2 compliance and security audits - Proven multi-party audio stability across diverse enterprise firewalls ## What it does Kumospace is a cloud-based virtual workspace and spatial audio platform where remote teams navigate customized 2D offices using avatars, interacting via proximity-based voice, video conferencing, screensharing, and team chat. ### Core features - 2D spatial grid editor with customizable furniture and flooring - Avatar sprite movement with real-time 60fps coordinate synchronization - Proximity-based spatial audio and multi-user WebRTC video mesh - Interactive rooms with lockable doors for private audio silos - Team chat channels, direct messages, and presence status indicators - Screen sharing and simultaneous multi-user presentations - Virtual whiteboards and embedded YouTube media players ## The business ### Pricing - Free: $0 - Business: $16/mo - Enterprise: Custom ### Funding $24M raised. - Seed Round (April 2021) - $3M - Series A (August 2022) - $21M Investors: Lightspeed Venture Partners, Boldstart Ventures, ENIAC Ventures Founded 2020. Team size: 11-20. ## The hard parts - WebRTC Selective Forwarding Unit (SFU) or mesh network routing with dynamic audio volume attenuation scaled by 2D coordinate distance - Low-latency WebSockets state synchronization for smooth 60fps avatar positions and collision boundaries across multiple connected clients - Cross-browser audio context handling, echo cancellation, and WebRTC renegotiation edge cases - Enterprise SOC 2 compliance and data encryption governance across storage and media transports ## How to vibe code Kumospace ### Prerequisites - Node.js (free): Required to run the full-stack TypeScript environment and WebSocket server. - GitHub (free): Code repository and deployment pipeline integration. ### Recommended AI tools - Claude Code: Best-in-class multi-file agentic coding tool for scaffolding complex full-stack apps and debugging WebRTC integration loops. - Cursor: Ideal AI editor for fine-tuning the 2D canvas UI, avatar animations, and spatial audio math components. ### Stack - Frontend: Next.js with Tailwind CSS and HTML5 Canvas / React Konva for the 2D floor grid - Backend: Node.js with Express and native WebSockets (ws) for spatial coordinate broadcasting - Database: Turso for lightweight relational state and user profiles - Auth: better-auth for self-hosted email/password authentication - Payments: None (personal use clone) - Other: LiveKit OSS for WebRTC room media routing and spatial audio mixing, Vercel AI SDK for inline assistant features ### Hosting - Fly.io (Hosting the Node.js spatial WebSocket server and LiveKit media server instance with low latency.): ~$5-10/mo - Vercel (Hosting the Next.js frontend application interface.): $0/mo ### Build guide 1. **Project Scaffolding & Database Schema** — Initialize the Next.js application, configure Tailwind CSS, set up Turso database connectivity with Drizzle ORM, and configure better-auth. ``` Scaffold a new Next.js 16 project with TypeScript and Tailwind CSS v4. Set up Drizzle ORM configured with Turso (libSQL) as the database driver. Implement better-auth with email/password authentication and create database schemas for Users, Spaces, Floors, and RoomZones (id, name, coordinates x/y/width/height). Ensure clean modular directory structures and write initial database migration scripts. ``` 2. **2D Virtual Office Grid & Avatar Movement** — Build an interactive 2D canvas or grid map where users can customize their avatar appearance and navigate using arrow keys or mouse clicks. ``` Build an interactive 2D floor view component using HTML5 Canvas or React Konva. Render a grid-based office map supporting custom floor tiles and furniture items stored in state. Implement smooth avatar movement responding to keyboard arrow keys and mouse click-to-move commands. Broadcast local avatar x, y coordinate updates instantly via client-side state handlers, rendering remote user avatars smoothly on the grid. ``` 3. **WebSocket Spatial State Synchronization** — Deploy a companion Node.js WebSocket server to broadcast real-time avatar coordinates, statuses, and room presence across connected clients. ``` Create a Node.js WebSocket server using the 'ws' library that manages active room sessions. When a client connects, broadcast their entry and stream their (x, y) coordinates and status updates to all other clients in the same Floor space at 30Hz. Implement client-side interpolation to ensure remote avatars glide smoothly without stuttering across network jitter. ``` 4. **WebRTC Spatial Audio Proximity Engine** — Integrate LiveKit or custom WebRTC peer connections where audio volume dynamically attenuates based on Euclidean distance between avatars. ``` Integrate WebRTC media streaming via LiveKit client SDKs into the virtual office. Calculate the Euclidean distance between the local user's avatar (x, y) and all other visible avatars on the floor. Programmatically adjust the WebAudio GainNode gain value or LiveKit audio track volume dynamically based on distance: clear audio when within 150 pixels, linear falloff to zero at 400 pixels distance. ``` 5. **Private Rooms & Audio Doors** — Add enclosed room boundaries with doors that restrict spatial audio propagation to people inside the same architectural zone. ``` Extend the 2D map engine to support Room boundaries with designated door zones. Implement collision detection and boundary checks: when an avatar steps inside a private meeting room polygon, restrict audio transmission so only other avatars inside the exact same room polygon can hear them, effectively simulating closed-door acoustic isolation. ``` 6. **Team Chat & Screen Sharing Integration** — Implement real-time text chat channels and WebRTC screen sharing capabilities for collaborative presentations. ``` Add a slide-out team chat panel supporting floor-wide messages, private direct messages, and contextual chat history stored in Turso. Implement WebRTC screen sharing controls that allow any user to publish a screen track to their current proximity group or meeting room, rendering the shared video stream inside an interactive modal window for nearby participants. ``` ### Cost vs paying **Starting costs (one-time):** - Domain name registration: $12/yr - Total: ~$12 one-time **Ongoing costs (monthly):** - Fly.io Node/LiveKit server hosting: $8/mo - Total: ~$8/mo - Paying for the SaaS instead: $16/user/mo - Build time: 45-60 hours - AI tool credits: $20 (Claude Pro / Cursor Pro) - Break-even: 1 month (if replacing a team subscription) ## Sources - [Kumospace Official Website](https://www.kumospace.com) - [Wikipedia - Kumospace Company Profile](https://en.wikipedia.org/wiki/Kumospace) - [Built In NYC - Virtual Chat Platform Kumospace Pulls in $21M](https://builtinnyc.com/2022/08/09/kumospace-funding-series-a) - [GetLatka - Kumospace Revenue & Metrics Breakdown](https://getlatka.com/companies/kumospace)