Durable alternative
Past the 30-second site? Get the one that runs your business.
Durable made instant websites famous. Ostra goes further: a site that books appointments with calendar invites, answers your visitors with AI around the clock, writes your blog on request, and changes anything when you ask in plain English.
Free to generate · no card · live preview in under a minute
An AI editor, not just an AI generator
Generation is the easy part. Ostra's chat keeps working after launch — "move reviews under the hero", "add a fall promo post", "turn on booking Tuesday to Saturday" — applied instantly, with edit history to undo anything.
Booking that actually books
Publish your weekly hours and visitors pick real open slots. Confirmations and calendar invites go to both sides; requests land in your dashboard and inbox.
A concierge on every page
The AI chat bubble answers questions from your site's own info — hours, prices, services — and captures the lead when a human should follow up.
Real sites, built from one sentence
Click through — these are live, generated and published entirely with Ostra.
How it works
Watch a business become a website.
No templates to pick, no builder to learn. Describe the business and the site assembles itself — design, copy, and conversion path chosen for you. Don't like the look? Remix it.
Describe your business
Common questions
How is Ostra different from Durable?
Both generate a site fast. Ostra's difference is what happens after: a real AI editor with edit history, built-in appointment booking with calendar invites, an AI assistant that answers your visitors, AI-written blog posts, and Stripe checkout — one system, one chat.
Can I move my existing site over?
Describe your business (paste your current site's text if you like) and Ostra rebuilds it better in under a minute — then point your domain at it when you're happy.
Is there a free trial?
Generating and previewing your full site is free with no card. You pay only when you publish — from $29/mo.
What about SEO?
Editable titles and descriptions per page, automatic structured data (business info, products, FAQs, posts), OG images for sharing, and AI-written posts that target the keywords you ask for.
Past the 30-second site? Get the one that runs your business.
Build My Site FreePlans from $29/mo when you publish · see pricing