The 1.2 version of Instanity for Mac is available as a free download on our website. The actual developer of this free Mac application is Ottisoftware GmbH. The application lies within Developer Tools, more precisely Webmaster Tools.
From the developer:
Instanity gains real follower by interacting with them and bringing their attention to your profile.
You may want to check out more software for Mac, such as AcidSearch Installer, WebPics or Xilisoft DVD Snapshot, which might be similar to Instanity.