Download of Cloudless 1.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Productivity Tools, more precisely Cloud Services. We recommend checking the downloaded files with any free antivirus. The actual developer of this free software for Mac is EPTHI Inc.
From the developer:
Cloudless provides you with the full power of the Cloud, without hosting your data on external servers. This application allows you to open on the fly documents stored on your Mac directly from your smartphone and tablet. For such cases, Cloudless requires to be installed on your mobile devices.
You may want to check out more Mac applications, such as Zarqon, Centrify or Kerio Sync Connector Installer, which might be related to Cloudless.