PsdAutoSaver 1.5 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among the program users are 1.5, 1.4 and 1.3. The actual developer of the program is Electric Iris. The software is included in System Utilities. 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.
From the developer:
psdAutoSaver is a plugin for Photoshop that helps protect valuable work by automatically saving the images being edited to one or more backups files, as you work.
Main features:
-Enable or Disable psAutoSaver easily.
-Supports Photoshop 7, CS, CS2, CS3, CS4 (32 & 64 bit), CS5 (32 & 64 bit)
-Control over how often backups are made.
-Control over where files are saved.
You may want to check out more software, such as Comfort Keys, SemTop! or Extreme Cleaner, which might be related to PsdAutoSaver.