Rails UI

AI writes your Rails code. Rails UI makes it look like a real product. Complete, coherent product flows for Rails SaaS: auth, dashboards, billing, and email, designed as one system.

Open source: the code is at github.com/getrailsui/railsui.

First shown on Hacker News on 21 January 2026 as “Rails UI”, where it reached 208 points and 114 comments. Read the discussion.