Certainly! For WordPress theme design, popular platforms include:

1. **WordPress Theme Customizer:** Built into the WordPress dashboard, it allows you to customize themes in real-time.

2. **Elementor:** A powerful drag-and-drop page builder with a visual interface for easy theme customization.

3. **Beaver Builder:** Another user-friendly drag-and-drop builder for creating custom WordPress themes.

4. **Divi:** A versatile theme and visual page builder with a wide range of design options.

5. **Genesis Framework:** A solid foundation for building WordPress themes, known for its SEO optimization and security.

Choose based on your preferences and design requirements.