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BYOB New inbox in every project

AI HubSpot Page Builder Alternative

HubSpot is a marketing platform first, and its page builder is one feature inside a larger system. If a site is all your project needs, paying for a contact-based CRM to get there deserves a second look.

Prompt to product

From one-line brief to finished app.

Compare the one-line brief with what BYOB ships. Real layout, data, and deploy status, editable from the same workspace.

TD

Team Tasks

Shared task tracking

Online
Today4
Done11
Streak6d
Open live app ↗
Prompt Product

Drag the handle. Or focus it and use the arrow keys.

Get inspired

Sites like this, live today.

Real sites that do it well. Build something like this with BYOB.

Qatchup website
Qatchup User-feedback tool with a conversational page. Visit ↗
Exactly.ai website
Exactly.ai AI product page with a clear, confident pitch. Visit ↗
Loveart website
Loveart Bold AI-design hero with strong visuals. Visit ↗
Paper website
Paper Minimal canvas product with crisp copy. Visit ↗
Nucleo website
Nucleo Icon library with a clean, focused page. Visit ↗
Mailchimp website
Mailchimp Email leader with benefit-led sections. Visit ↗

Fresh from the community

See what builders ship, or start from an example.

View showcase →

Live workspace

Code, chat, and preview in one place.

The workspace is built for repeated product work, not disposable demos. Every generated file stays inspectable, every change is visible, and every follow-up can target the exact part of the app you care about.

01 · EDITOR

Generated code, ready to edit.

Every file BYOB writes stays visible and editable. Follow-ups target the exact lines you care about instead of regenerating from scratch.

  • Added lines highlighted the moment they land
Code
Act mode
TodoPage.svelte
schema.ts
1<script lang='ts'>
2type Task = { id: string; title: string; done: boolean }
3let tasks = $state<Task[]>([])
4
5function toggleTask(id: string) {
6task.done = !task.done // just added by BYOB
7}
8</script>
main · 0 problems Preview ready

02 · AI COMMAND

Plan, build, and refine in one chat.

Describe the outcome once. BYOB turns it into a build plan, implements it step by step, and keeps every change visible while you iterate.

  • Build plan with live progress you can inspect
B BYOB AI
Chat Act

Your prompt

“Build a todo app for beginners”

Build plan

80%
  • Task list UI + empty state
  • Add + toggle actions
  • Progress summary…
Add due dates and filter by done…

03 · LIVE PREVIEW

See every change the second it lands.

The preview updates as BYOB works, with deploy status attached, so the path from edit to production stays inspectable.

  • Real app state, not a static mockup
Live preview
/
TD

Team Tasks

Shared task tracking

Online
Progress 2 of 3 done
  • Wireframe landing page
  • Task list component
  • Responsive polish + QA
Ask BYOB to refine
Deployed · SvelteKit · SSL on

Prompt to app

From first prompt to a workspace you can ship.

Start conversationally, approve the shape, let Tool Mode implement, then refine and deploy from the same workspace.

  1. 01 Describe the product Start with the outcome, audience, and any constraints. BYOB turns the idea into a practical build plan.
  2. 02 Shape the UX Review the proposed flows, screens, data needs, and visual direction before code starts moving.
  3. 03 Generate the app Tool Mode writes SvelteKit code, connects integrations, and keeps each change visible in preview.
  4. 04 Test and refine Ask for edits, roll back when needed, run checks, and keep the project editable instead of disposable.
  5. 05 Deploy Ship the finished app, connect domains, and keep iterating from the same workspace.

Agent and backend

Code with your agent, ship with a real backend.

Connect Codex, Claude Code, or Antigravity to your project, then store data and ship to production without leaving the workspace.

  • Approve project access from BYOB
  • Installs the byob command
  • Preview, deploy, git diff, DNS, credits, and code tools
npm
npx -y byob-cli codex install

Approve only the projects your agent can touch, then read context, edit files, inspect diffs, test previews, and roll back from your terminal.

1
prompt to start
3
live panes
24/7
edge preview

Loved by builders

Rated 4.9/5 by developers and founders using BYOB to move from idea to shipped product.

Rated 4.9/5 by builders shipping with BYOB.

Start building
  • Clean SvelteKit code you own
  • One-click deploy + rollback
  • Pay as you go pricing

Built for shipping

The parts that usually slow you down are already here.

BYOB handles product planning, implementation, preview, testing, database work, and deployment from one focused interface, with coding-agent access and production analytics when you want to keep working from your own terminal.

This part is hands-on. The cards drift until you touch them. Drag to rearrange, or press and hold one to feel it push back.

Agent integrations

Give Codex, Claude Code, or Antigravity scoped access through BYOB CLI or Agent MCP. Your agent reads context, edits code, tests previews, and deploys from your terminal.

Git history and diffs

Every change lands as a commit. Inspect history, compare diffs, and see exactly what changed since the last deploy.

Inbox in every project

Every project ships with an inbox. Collect messages, leads, and feedback from your app without wiring a third party.

Email sending built in

Send magic links, OTP codes, and transactional mail from your own sender address. Resend-backed, no SMTP setup.

Google and magic-link login

Offer Continue with Google plus passwordless email codes. Sessions and callbacks are handled.

Custom domains and SSL

Point your domain at BYOB with guided DNS checks. Certificates are automatic.

Visual editing

Click any element in the live preview and describe the change. Copy, spacing, color, behavior.

AI testing agent

Run full-site or feature checks and get implementation-level feedback you can apply in one step.

Version rollback

Step between saved states or redeploy a known commit when an experiment goes sideways.

One-click deploy

Builds publish to production hosting in one step. Deploys can auto-save the project state first.

Deployment analytics

Worker traffic, errors, CPU timing, subrequests, and custom-domain status from the workspace.

Supabase aware

Connect Supabase and BYOB reads schemas, drafts migrations, and generates types that match your app.

Team collaboration

Invite people in and keep sessions coordinated so work never overwrites work.

  • Vision inputs
  • Voice coding
  • Project templates
  • SEO-ready output
  • Context tracking
  • Model lock

Simple pricing

Start with credits, upgrade when usage is steady.

Pay as you go when you are exploring. Move to Pro or Max when BYOB becomes part of your regular build workflow.

Pay as you go

$0

$1 = 100 credits

Popular

Pro

$25

2,000+ credits/mo

Max

$79

8,000+ credits/mo

Live estimator

What will your app cost?

Try the cost calculator. Drag the pages slider, toggle the options, and watch the agency quote vs BYOB update instantly.

Open full cost calculator →
Number of pages: 5
Traditional agency estimate

$5,750 upfront

Yearly maintenance

~$1,150 / year

BYOB estimate

~$45 in credits

BYOB builds the same site from one prompt and hosts it on the edge. Planning estimates, not quotes.

See BYOB plans
View full pricing

Need white-label and SSO? Talk to us →

BYOB OnePage is a HubSpot page builder alternative for standalone sites. You describe the page and AI drafts the hero, benefits, proof, and a form; submissions arrive in your project inbox. It skips the CRM overhead, and you can still export qualified contacts into HubSpot.

HubSpot pages come attached to a platform

HubSpot's strength is the connected suite: page, form, contact record, and campaign in one place. That integration is genuinely useful when marketing runs inside HubSpot and leads need to flow into pipelines. The cost is scope. You adopt the CRM, learn the interface, and pay according to contacts and marketing features. For a freelancer, a launch, or a small team that just needs a good page, the surrounding system can be far larger than the task in front of them.

Building the page without the CRM

BYOB OnePage separates the page from the pipeline. Describe the offer and it generates a complete layout: headline, benefit blocks, proof, pricing or details, FAQ, and a contact form. You edit copy and styling in place, with nothing to configure in a marketing suite first. The result is a focused page you can publish the same day. If you later decide you want HubSpot for campaigns, the page does not have to move; it keeps doing its one job.

Where leads go and how to reach HubSpot

Form submissions arrive in the BYOB project inbox, so you can reply directly without an integration. When you are ready to work inside HubSpot, export those entries and import them as contacts. This is a manual step, and it is honest to say so; there is no automatic HubSpot sync. For low volumes that is fine, and for higher volumes you can decide whether the added platform is worth it. Either way, you keep ownership of the captured data.

Pricing shaped by contacts versus by page

HubSpot's entry tiers scale with contact counts and unlocked marketing features, which means the bill can rise as your list grows, independent of how many pages you run. A single landing page is a small part of that package. BYOB is free to start, with paid plans for custom domains and heavier usage, so the cost tracks your pages rather than your audience size. If your only HubSpot dependency is the page builder, the math usually favors a dedicated tool.

When keeping HubSpot is the sensible choice

If your team already lives in HubSpot, with deals, sequences, reporting, and email all in one place, then using its page builder keeps everything connected and avoids duplicated systems. The alternative is not always better; it depends on whether the CRM is earning its keep. Use BYOB for a standalsite when you want speed and low overhead, and stay with HubSpot when the surrounding marketing engine is genuinely part of how you work.

FAQ

Frequently Asked Questions

Is BYOB an alternative to HubSpot CMS?

For a standalone siter, yes. BYOB builds and hosts the page without a CRM. If you need HubSpot's campaigns and pipelines, keep HubSpot for those.

Can I still use HubSpot if I build in BYOB?

Yes. Export captured contacts and import them into HubSpot. The integration is manual rather than an automatic sync.

Can I import contacts into HubSpot?

HubSpot accepts contact imports from a CSV, so you can move entries collected in your BYOB inbox into HubSpot when needed.

Do I need HubSpot to build a landing page?

No. A dedicated builder can produce the page on its own; HubSpot's value is the surrounding marketing platform.

Is BYOB free?

Generating and publishing a OnePage site is free to start, with paid plans for custom domains and higher usage.

Build the first version today.

Start with one clear prompt. BYOB will help turn it into a product you can inspect, edit, test, and ship.