Macaw provides the same flexibility as your favorite image editor but also writes semantic HTML and remarkably succinct CSS. Developed by Macaw, LLC
License: Free
Antetype is a powerful tool primarily focused on prototyping with advanced interaction capabilities, making it suitable for designers looking to create intricate user experiences. Macaw, on the other hand, emphasizes code generation and real-time design previews, making it ideal for developers who want to quickly translate designs into functional code.