Here is a list of tools included in suite:
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Registry Cleaner |
Registry Cleaner removes obsolete or unwanted items that build up in the registry over time in order to improve the stability and performance of your computer.
Key features:

Fixing registry errors will speed up your computer

Speed up boot up time

Eliminate BSOD (Blue Screen of Death)

Registry cleanup will reduce the size of the Windows registry

The automatic backup creation of the repaired registry entries

This is one of the most popular registry cleaners on the Internet
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Registry Defragmenter |
Registry Defragmenter is a small utility that does gigantic improvements in computer performance. Registry is the core of any operating system and it is the proper functioning registry that determines how fast the computer boots up, launches applications and carries out commands. This application physically defragments the Windows registry file to give it the proper linear structure. After a single run of Registry Defragmenter, the computer speed increases up to 100% and the computer itself stops freezing and crashing.
Key features:

Reduce the amount of time it takes your system to boot

Improve your Windows PC's overall performance and stability

Prevent registry corruption by building a fresh copy of the registry

A simple, user-friendly interface with which you can safely compact the registry
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Junk Files Cleaner |
Junk Files Cleaner scans and removes almost all junk files from system to provide more free space on hard drive and allow applications to run faster and more efficiently.
Key features:

Identify over 50 different types of junk files

Free up valuable space on your hard drive

Speed up hard drive searching performance

Boost speed of Windows

Runs much more quickly than others in its class
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Duplicate Files Finder |
Imagine that you are trying to find a certain file on your computer and you have five files with the same name and same size! Confusing, isn't it? The purpose of this specialized program is to find all music, video, photos and data duplicates on your computer and remove useless copies of files from your hard drive.
Key features:

Recover lot of disk space

Instantly free-up your hard disk space

Reduces time needed to defragment your hard drives

Faster antivirus and spyware scans

Organize your audio and video collection easily
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Disk Space Analyzer |
Disk space analyzer (Disk usage analysis software) is a software utility for the visualization of disk space usage by getting the size for each folder (including subfolders) & files in folder or drive. Disk Space Analyzer generates chart showing disk usage distribution according folders and files.
Key features:

Scan files, folders, drives size

Analysis of the selected drive or directory

Graphical chart

List of files/folders according to its criteria

Sort by file name & size

Easy to use
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Smart Uninstaller |
Smart Uninstaller enables you to better manage your installed software application, and completely remove unwanted items from your computer. It keeps track of programs during uninstall and checks if they leave any traces (e,g registry keys, folders etc.), and offers you to review and remove the leftovers.
Key features:

Extends internal system uninstaller with features to find and delete left traces (e,g registry keys, folders etc.)

Improve your Windows PC's overall performance and stability

Reduce the size of the Windows registry. It results in faster and more stable PC performance

Frees up valuable space on your hard drive taken by leftovers
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History Cleaner |
Your browser makes a detailed record of every web site you've ever visited. It's easily accessible from your browser window and simply by pressing a button anyone can see where you've been browsing on the web! History Cleaner erases web site history of web browsers including Firefox, Internet Explorer, Netscape and Opera. With History Cleaner you can also delete temporary internet files which are all the pictures you've seen, all the online videos you've watched and all the web pages you've visited. Deleting Temporary Internet Files will free a lot of space on your hard disk.
Key features:

Clear history of visited internet web pages

Delete firefox, opera and netscape form history

Delete firefox, opera and netscape download history

Delete address bar history

Delete cookies

Delete temporary internet files

Delete opera session history

Delete Index.dat files