The headless core, hosted
Metering, pricing and a double-entry ledger, run for you.
QuxCloud Free
Every kit running against a workspace of your own. Nothing to install, no card.
- 100 build credits a month
- 1 project · 1 seat
- Mail, integrations & the SDK
- Community support
QuxCloud
Hosted metering and ledger with the operational load handled for you.
- Managed ingest & storage
- Usage & ledger dashboards
- 1 custom domain, DNS & TLS handled
- Webhooks & data export
- Email support
Scale
Higher throughput, longer retention and priority support.
- Billions of events
- Extended retention
- 10 custom domains
- Priority support & SLA
- Multi-region ingest
Enterprise
Dedicated infrastructure, procurement, and a contract that fits.
- Volume pricing
- Dedicated tenancy
- Security review & DPA
- Named support engineer
Software we run for you
Every application has an open core, and these are the managed versions running that same code. Self-hosting it is an Enterprise licence, not a download.
QuxMail Pro
The drop-in transactional email API. 50,000 emails included, then metered.
- 50,000 emails / month included
- $0.80 per 1,000 over
- Scale: $85.00/mo for 250,000
- Drop-in REST API. Change the base URL
QuxKit CRM Cloud
The whole CRM & HR platform, hosted with native mobile. Flat per seat. No usage credits, ever.
- Everything included, flat
- From 3 seats · 30-day trial
- Open core, licensed for self-host
- Your data, exportable
AI Member Pro
The member that remembers, for a team, with $25 of model spend included.
- $25/mo inference included
- Free tier & pay-as-you-go too
- Spend metered to the cent
- Runs on your own machine
Builder
Describe a product; an agent crew plans it and writes it on the QuxKit stack, grounded in the kits’ own docs.
- Runs on your QuxCloud account
- The plan, each step, every file kept
- Built on RAG-Kit
- Not open core — the engine is per seat
Hosted chat, at our price
A drop-in conversations backend, built on comm-kit. A free tier bigger than anyone else’s, then flat monthly plus a fraction of a cent per active user and per thousand messages. Chosen and managed inside your QuxCloud workspace.
QuxChat Free
A real chat backend for a whole product, free. More headroom than anyone else gives away.
- 1,000 monthly active users
- 100,000 messages / month
- Full REST API & webhooks
- Your data, our Postgres
Starter
For a product finding its feet. 5,000 active users included, then a fraction of a cent each.
- 5,000 MAU included
- 1,000,000 messages / month
- $0.015 / MAU over
- $0.30 / 1k messages over
- 14-day trial
Pro
For a product at scale. 25,000 active users included and cheaper overage.
- 25,000 MAU included
- 5,000,000 messages / month
- $0.010 / MAU over
- $0.20 / 1k messages over
- Priority support
Scale
Chat at real volume. 100,000 active users included, and the cheapest overage on the ladder.
- 100,000 MAU included
- 25,000,000 messages / month
- $0.006 / MAU over
- $0.15 / 1k messages over
- Priority support & SLA
Bundle the hosted three, and save
QuxCloud, QuxMail Pro and AI Member Pro, composed by the engine’s own defineBundle with 20% off. The odd number is the point: $96.00 of list price charged as $76.80/mo: computed by chargeForPeriod, not typed into this page.
The surfaces you buy on top
The screens each engine deliberately omits, cut from UI-Kit recipes and wired to your API through one injected interface. Licensed per developer, per year: separately from the engine underneath.
comm-kit-components
UI-Kit-native conversation UI: list, thread, composer: over a five-method fetcher seam.
- All conversation components
- Team: $129.00/seat/yr from 5
- Source you own and edit
- Priority issue triage
billing-kit-components
shadcn-compatible pricing, usage, ledger and checkout components. One developer, every update for a year.
- All UI components
- One seat, one year
- Private registry access
- Priority issue triage
billing-kit-components Team
The team rate for billing-kit-components, from five seats up. Same library, lower per-seat price.
- Everything in the single seat
- From 5 seats
- Team-wide licence
- Shared billing
Enterprise
Site licences, invoicing and terms for a whole organisation, across every engine and component library.
- Unlimited seats
- Site licence
- Invoicing & PO
- Security review & DPA
The engines you build on
Libraries that install into your repository and run on your infrastructure. A seat is bought once and does not expire; there is no licence check and no call home in any of them.
UI-Kit Studio
The generated design system: one brand colour in, a contrast-verified theme and fifty components out.
- All 50 components + theme engine
- CLI + MCP server
- Figma library and templates
- Team licence: talk to us
comm-kit
Conversations, per-participant channels, bridge deliveries, inbound routing and transcripts: headless.
- One row per send, carrier only where needed
- Twilio bridge + signed webhooks
- Suppression and consent state
- Source you own and edit
rag-kit
Multi-agent RAG: a planner decomposes, workers run in parallel waves, a synthesizer merges.
- Plans validated before anything runs
- Tools on an allowlist, budgets enforced
- Durable runs, bring your own provider
- Source you own and edit
app-kit
The scaffold: a new application already wired for accounts, teams, tenancy, billing and an agent.
- Tenant isolation wired, not described
- MCP server over your own domain
- Yours permanently, in your repo
- Source you own and edit
Source access
The core kits are on npm today; no agreement is needed to install them. What a source agreement covers is the rest of the family, delivery and support, never a licence key.
- billing: BUSL-1.1, free in production
- tenant · identity · mail · sdk: Apache-2.0
- On npm today; integration-kit by agreement
- No seat check, no call home