Kumospace

Host a lightweight spatial room for a small team without production media guarantees

NOT REALLY · consider alternatives
price $16/mo per seatsubscription / year $192estimated build time closest consolation build: one sittingreplaced by 0 people

A consolation build is possible, but the paid product's decisive value sits outside a solo rebuild. For Kumospace, host a lightweight spatial room for a small team without production media guarantees. The hard boundary is real-time video infrastructure, office presence, moderation, analytics, and support, plus network, moderation, and communication infrastructure.

Build verification: not recorded. How we judge buildability

What you give up

  • real-time video infrastructure, office presence, moderation, analytics, and support
  • network effects
  • native mobile apps
  • video and voice infrastructure
  • enterprise moderation and discovery

Why people still pay

People still pay for Kumospace because community software is valuable when members are already there and the operator does not have to own realtime reliability and abuse response. The recurring cost buys realtime delivery, notifications, abuse handling, search, media, permissions, mobile clients, backups, and community operations, not just the visible interface.

Your build guide

The stack, security requirements, and agent rules for a focused replacement.

Before you start

  • Docker
  • PostgreSQL
  • public HTTPS deployment
  • email provider
  • object storage for attachments
01
Use Next.js 15, TypeScript, PostgreSQL, Drizzle ORM, WebSockets, and Docker Compose.
02
Model the inputs, state transitions, and outputs named in this online communities and team communication prompt; keep source IDs and timestamps.
03
Interface for this online communities and team communication workflow: a local web page with input, progress, review, and export views.
engineering roadmap

Implementation plan

1

Phase 1, architecture and data

Use Next.js 15, TypeScript, PostgreSQL, Drizzle ORM, WebSockets, and Docker Compose. Model the inputs, state transitions, and outputs named in this online communities and team communication prompt; keep source IDs and timestamps.

2

Phase 2, implement

Implement spaces, channels, topics, replies, reactions, mentions, profiles, roles, and invitations.

3

Phase 3, implement

Add moderation queues, reports, blocks, rate limits, attachment limits, and an audit log.

4

Phase 4, review and output

Add owner-controlled retention, account deletion, backup, restore, and health checks. Provide email digests, browser notifications, search, pinned content, and member export.

5

Phase 5, recovery and acceptance

Add moderation queues, reports, blocks, rate limits, attachment limits, and an audit log. Verify this invariant with a saved fixture: A removed post must not reappear from a delayed notification; permission checks must apply to every read and write. State the practical limit: real-time video infrastructure, office presence, moderation, analytics, and support.

the pro prompt
Build me a focused online communities and team communication workflow for the personal core of Kumospace. Requirements:

- Use Next.js 15, TypeScript, PostgreSQL, Drizzle ORM, WebSockets, and Docker Compose. Model the inputs, state transitions, and outputs named in this online communities and team communication prompt; keep source IDs and timestamps.
- Paid product context: Host a lightweight spatial room for a small team without production media guarantees. Build only this DIY scope: Host a lightweight spatial room for a small team without production media guarantees, organize discussion into channels or topics, and keep membership and moderation under the owner's control.
- Implement spaces, channels, topics, replies, reactions, mentions, profiles, roles, and invitations.
- Add moderation queues, reports, blocks, rate limits, attachment limits, and an audit log.
- Add owner-controlled retention, account deletion, backup, restore, and health checks.
- Use a local web page with input, progress, review, and export views. Required input or access: Docker; public HTTPS deployment.
- Recovery: Add moderation queues, reports, blocks, rate limits, attachment limits, and an audit log.
- Acceptance: with one labelled sample, show the input, saved intermediate state, and exported result; verify this invariant: A removed post must not reappear from a delayed notification; permission checks must apply to every read and write.
- Out of scope: real-time video infrastructure, office presence, moderation, analytics, and support; network effects. Keep this a personal, inspectable workflow.
- Include a README with setup, a sample input, required keys or permissions, data location, and the supported scope.

$ open in your agent (prompt prefilled, you press enter), copy the prompt or copy AGENTS.md · generated from this app's build plan

share on X ↗

Alternatives to building your own

Cosmos FreeFour concurrent people get an always-on spatial office, chat and unlimited calls.$0free↗flat.social FreeFive people, unlimited sessions and custom rooms; enough office for a genuinely small team.$0free↗Kumospace FreeThe actual product is free for five registered members, with customizable rooms and basic chat intact.$0free↗

all 5 free alternatives to Kumospace →· no votes, no pay-to-list · just what's real

Kumospace pricing

planmonthlyannual (per mo)what you get
free$0/workspace$0/workspace5 registered members; 1 floor; unlimited rooms; up to 50 concurrent guests; each guest may use the workspace up to 4 hours/week
business—$16/userMinimum 5 paid members; unlimited floors and rooms; up to 50 concurrent guests; recording and analyticsBilled annually; minimum annualized base is 5 × $16 = $80/month. Annual billing saves 20%; exact month-to-month rate was not exposed.
enterprise——Unlimited guests plus custom security, onboarding and supportCustom quote.

free tier5 registered members; 1 floor; unlimited rooms; 50 concurrent guests; each guest limited to 4 hours/week

billingmonthly + annual (-20% annually); public Business price is $16/member/month billed annually; 5-seat minimum

hidden costsBusiness has a 5-paid-member minimum. A 14-day paid-plan trial can auto-convert to a subscription; added members are prorated, while removals generally affect the next invoice.

pricing sources checked 2026-08-12 · pricing source ↗

Questions about Kumospace

Can you build your own Kumospace with AI?

A full replacement is not the recommended project. A consolation build is possible, but the paid product's decisive value sits outside a solo rebuild. For Kumospace, host a lightweight spatial room for a small team without production media guarantees. The hard boundary is real-time video infrastructure, office presence, moderation, analytics, and support, plus network, moderation, and communication infrastructure.

What does the Kumospace build prompt cover?

The prompt starts with this scope: Host a lightweight spatial room for a small team without production media guarantees, organize discussion into channels or topics, and keep membership and moderation under the owner's control. Full-product capabilities excluded from the comparison include: real-time video infrastructure, office presence, moderation, analytics, and support; network effects; native mobile apps. Follow the implementation plan and its prerequisites before expanding the build.

How do I use the prompt, AGENTS.md and agent skills?

Start with the Kumospace prerequisites and stack, then copy the prompt into your coding agent. Save the project rules as AGENTS.md in the project root. Linked skills are optional packages or source instructions for specific tasks; review their current contents and install only those matching the chosen stack. A skill does not supply API credentials or verify the finished app.

How long will this Kumospace project take?

The catalogue estimate is closest consolation build: one sitting for the limited scope. Setup, integration approvals, debugging, deployment and ongoing maintenance can add time. This is an estimate, not a delivery guarantee.

What would I give up by replacing Kumospace?

real-time video infrastructure, office presence, moderation, analytics, and support; network effects; native mobile apps; video and voice infrastructure; enterprise moderation and discovery. People still pay for Kumospace because community software is valuable when members are already there and the operator does not have to own realtime reliability and abuse response. The recurring cost buys realtime delivery, notifications, abuse handling, search, media, permissions, mobile clients, backups, and community operations, not just the visible interface.

What price is this guide comparing against?

The recorded Business plan is $16/mo per seat (monthly per user), checked 2026-07-31. Check the linked pricing source before buying. Building your own also has hosting, API and maintenance costs; the recorded amount is not a guaranteed saving.

What can I use instead of building Kumospace?

Cosmos Free: Four concurrent people get an always-on spatial office, chat and unlimited calls. flat.social Free: Five people, unlimited sessions and custom rooms; enough office for a genuinely small team. Kumospace Free: The actual product is free for five registered members, with customizable rooms and basic chat intact. Compare all listed options at https://howtovibecodeit.dev/kumospace/alternatives. Check each option's license, hosting needs and feature limits.

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