iWatch is a real-time filesystem monitoring program. It is a tool for detecting any changes on your filesystem and reporting it to the system administrator immediately. It uses a simple configuration file in XML format and is based on inotify, a file change notification system in the Linux kernel.
You can download it from the following link: https://packetstormsecurity.com/files/download/82731/iwatch-0.2.2.tgz
Source: https://packetstormsecurity.com/files/82731/iWatch-Filesystem-Monitor-0.2.2.html