Downloading Checkdupli 1.3 from our website was free. The program's installer file is generally known as check_dupli.exe. The actual developer of the software is Philippe Looze. The most popular version of the Checkdupli 1.3. The software is included in System Utilities.
From the developer:
Checkdupli is a software designed to search and display all the duplicate files in a folder and its subfolders. It detects files that have the same name, or "almost" the same name, differing with accents, blank, or some specific characters. Some advanced options allow you to adjust the filter criteria, taking accents, spaces or specific strings into account and to compare the content of a files.
You may want to check out more software, such as FileTouch, IE Throttle or Stellar Phoenix Mailbox Professional, which might be related to Checkdupli.