The 1.0 version of Flowella for Mac was available as a free download on our website. This free program is compatible with Mac OS X 10.4.9 or later. This free Mac application was originally developed by Nokia. The most popular version of the application is 1.0. The program lies within Developer Tools, more precisely Webmaster Tools.
From the developer:
Flowella is an easy to use tool that enables designers and developers to create design and interaction prototypes — without writing a line of code.
Prototypes are built using screen mock-up images and then defining flows between these screens. Once defined, the prototypes can be exercised in a simulator supplied with Flowella.
Prototypes may be packaged in an Adobe Flash Lite 3.0 application or Web Runtime (WRT) widget.
You may want to check out more Mac applications, such as MacCVSClient X, AcidSearch Installer or AlbumEnabler, which might be similar to Flowella.