The WebApp Moqups offers you the opportunity to designs for web pages fast and easy to implement. From a selection of over 60 vector patterns can quickly Layouts occur and be exported. Thanks to HTML5, Moqups, even on mobile devices. Designs can also be processed Offline.
Pleasant is also, that your can use the Tool even without registration almost full for free.
You can free download Moqups and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.