RC-Dock

Supports both controlled and uncontrolled modes, allowing developers to choose between self-managed or state-driven layouts, as outlined in the README with examples for defaultLayout and layout props.

Includes tab support, panel locking, and popup windows, enabling complex interfaces like IDEs and dashboards, demonstrated in the GIFs showing draggable panels and new window functionality.

Provides saveLayout and loadLayout methods for saving and restoring user layouts, essential for applications requiring persistent state, as documented in the API section with type definitions.

Comes with a dark theme out of the box, reducing initial styling effort, as shown in the dark theme screenshot and mentioned in the key features list.