Build cross-platform user interfaces that run seamlessly in both the terminal and web browser using a single Python codebase. Textual combines modern Python development practices with proven web technologies to create a lean, efficient app development experience.

Key capabilities include:

Comprehensive widget library covering buttons, trees, data tables, text inputs, text areas, and more
Flexible layout system enabling you to design any user interface you need
Predefined themes that make your apps look polished immediately
Advanced testing framework for long-term app maintenance and reliability
Dev console for debugging terminal applications with system messages, events, and logging
Command palette with fuzzy search (Ctrl+P) for easy command discovery and custom extensions
Optional async support that integrates with async libraries without forcing the pattern
Web deployment via textual serve to share apps on the web with firewall-busting technology

Textual's decoupled component architecture ensures your applications remain maintainable as they grow. The framework works on macOS, Linux, and Windows, with support for Python 3.8+. Install via pip and start building with a simple, intuitive API that feels natural to Python developers while delivering the polish of modern web applications.

Pip