Rio – Open Source Web Apps in Pure Python, No JS/HTML/CSS Needed

Show HN: Rio – Open Source Web Apps in Pure Python, No JS/HTML/CSS Needed

Rio – Open Source Web Apps in Pure Python, No JS/HTML/CSS Needed is active in the show hn launch space.

Profile

Hey HN,Over the past 10 months, my friends and I created an open source project called Rio to help Python developers build modern web apps without needing HTML, CSS, or JavaScript. Whether you're working on a simple internal tool or a complex multi-page app, Rio lets you stay in the Python ecosystem without needing to learn frontend frameworks.With Rio, the UI is defined using Python components, inspired by React and Flutter. Instead of writing HTML/CSS, you compose reusable UI elements in Python and let Rio handle rendering and state updates. The backend and frontend stay seamlessly connected using WebSockets, so data syncs automatically without manual API calls. Since Rio is fully Python-n

Within the show hn launch space, the company focuses on its core offering rather than a broad product line.

The company is listed at the Show HN launch stage of development.

Website: rio.dev