#6745
Anti DDoS Guardian is a lightweight, efficient and high-performance software solution that can protect your Windows servers from all kinds of DDoS attacks. It can stop application layer (L7) DDoS attacks, UDP floods, TCP SYN floods, RDP password brute force attacks, Slow HTTP Get&Post attacks, and more, and is trusted by thousands of network professionals and security experts around the world.

#5492
XOIC is another foolproof DoS/DDoS attack launching tool (euphemistically called server stress testing tool) for Windows. It executes (D)DoS attacks to the target IP Address based on the port and protocol selected by user. Its developer claims that XOIC is more powerful than LOIC in many ways.