W2UI is a small JavaScript UI library with a complete set of widgets: layout, grid, sidebar, toolbar, tabs, fields, popup, utilities. Developed by Vitali Malinouski
License: Open Source
React is a versatile JavaScript library focused on building user interfaces with a component-based architecture and a large ecosystem, making it suitable for complex and performance-sensitive applications. w2ui, on the other hand, is a UI library primarily designed for data-driven applications, providing a comprehensive set of UI components but with limited flexibility compared to React.