There’s a classdiagram available.

• Output Expressions
• Supported Tags

• Template File Organization

• WACT Template Syntax
• Define Tag Information
• WACT Template Component Architecture

• WACT Controller Architecture
• WACT Form Validation

• API Documentation

• WACT example programs can be run online with browsable source code.
• Using Ajax with WACT tutorial

Further examples can be found on the WACT examples page.