The 1.2.1 version of WindowFlow for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X is a product of Benedict Lowndes.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The application lies within Theming Tools, more precisely Multiple Desktops.
From the developer:
Switch between application windows with ease from your keyboard. WindowFlow provides an alternative to Mac OS X's built-in command-tab application switching. WindowFlow lists all your open application windows along with a preview, making switching between windows fast and predictable.
You may want to check out more Mac applications, such as SplashId BlackBerry Desktop, Magic Menu or Trakkboard, which might be related to WindowFlow.