Garuda is a wireless intrusion detection system (WIDS). It has been designed for detecting war drivers, rogue APs, denial of service attacks, and even MAC spoofing. Rule-based detection, statistics, and enumeration modules included.
You can download it from the following link: https://packetstormsecurity.com/files/download/33628/garuda-0.2.0.tgz
Source: https://packetstormsecurity.com/files/33628/garuda-0.2.0.tgz.html