1)   RegCompact.NET 1.7
Effectively reduces the time to access the registry on Windows XP by optimizing the data within the system's registry hives.

 2)   Wintuneup Pro 1.02
Wintuneup is the bundle of many utilities which are available in a single product. It will make your system run in a smooth, faster and error-free manner.Wintuneup includes many tools like registry cleaner, duplicate and junk-file remover, memory and internet optimizer and many other utilities.