Casso Websites
Build and update websites by email
Casso is an AI website agent that creates, edits, and publishes static websites from plain-language email requests. It can ask follow-up questions, use attachments, and deploy to a free Casso subdomain or your own domain.
Agenticness = how independently a tool can take action, scored across 9 dimensions. Scored independently by David Kooi, Skylark Creations — see full rubric → Last re-evaluated 29 August 2026.
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About
Casso Websites is an AI website-building and hosting service that works primarily through email. You send a request in plain language, attach any useful files, and Casso generates or updates a site for you. It is aimed at individuals and small...
Casso looks genuinely agentic for a website product: it can interpret a request, ask clarifying questions when needed, build the site, publish it, and later apply edits from new emails. The strongest fit is for straightforward marketing sites,...
Executes tasks you assign, one step at a time, within narrow domains.
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- Free: $0. Hosted on a .bycasso.com domain indefinitely, or on a domain you already own. Includes website creation by email, email-based updates, static pages built for fast loading, custom-domain connection, and HTTPS setup.
- Premium ($8/mo): $96 billed once a year. Includes everything in Free, plus Casso buys and registers a domain name for you, keeps it renewed while you stay on the plan, and raises limits on saved data and form submissions.
When Casso Websites changes its pricing, we catch it the next morning
We recrawl every tool in this directory daily. AI Insider is the 3-minute brief on what actually changed — pricing, features, score moves on our 36-point rubric — often before any press coverage. Sent daily. Skipped when nothing happened.