Reg Organizer!

BleachBit deletes unnecessary files to free valuable disk space, maintain privacy, and remove junk. Rid your system of old clutter including cache, cookies, Internet history, localizations, logs, temporary files, and broken shortcuts. Designed for Linux and Windows systems, it wipes clean Adobe Reader, APT, Bash, Beagle, Chromium, Epiphany, Firefox, Flash, GIMP, Google Chrome, Google Earth, Internet Explorer, Java, KDE, OpenOffice.org, Opera, RealPlayer, Safari, Second Life viewer, Skype, VIM, XChat, Yum, and more. »

Glary Utilities offers numerous powerful and easy-to-use system tools and utilities to fix, speed up, maintain and protect your PC.

Peak performance for your PC. Keeps it going for longer.

CleanMyMac scans every inch of your system and safely removes gigabytes of junk in just two clicks. Free up storage on your Mac and boost its performance — CleanMyMac finds 74 GB of junk on an average computer.

Advanced SystemCare, all-in-one PC optimization utility, specializes in ONE-Click solutions to detect, clean, repair, speed up and eventually protect PC. This "must-have" tool is 100% safe with no adware, spyware or viruses. To better protect users' online privacy with Advanced SystemCare Free 8, "Protect" tab is newly added, which is design to provide quick access to protect browsing from being tracked by automatically cleaning privacy traces once browser closed and detect and resist the attack of malicious plug-in/toolbar by Browser Anti-Tracking and Plug-in/Toolbar Cleaner in this tab. »

Wise Registry Cleaner scans the Windows registry for invalid or obsolete information and presents you with a list of potential problems. To help you decide which items to delete, the program classifies them as "Safe to fix" or "Not fully safe to fix".

System Mechanic automatically repairs errors and fragmentation, cleans out clutter, and tunes up your PC -- so that it runs smoothly, reliably, and up to 300% faster! Don't waste money on expensive "experts" to fix your PC when System Mechanic will repair, tune, and maintain it for you!

Click&Clean is a free, fast and easy-to-use extension for Google Chrome and Mozilla Firefox that can be used as a powerful private data Cleaner.

Award-winning optimizer that will clean, fix and speed up your PC in a few simple clicks. Experts recommend BoostSpeed as effective, fast and a program the entire family can use.

Performance Maintainer has combined open source tool such as Little registry Cleaner, Bleachbit and ultradefrag that run periodically for PC maintenance and performance. It is very simple and automated

jv16 PowerTools is the ultimate Windows optimization and tuneup utility suite. The bottom line is that it keeps your computer running smooth, fast and greatly improves its overall stability.

SlimCleaner is a freeware PC maintenance program that uses crowd-sourced feedback to make up-to-date optimization recommendations for users. In many ways it's like other cleaning apps. It includes a windows database cleaner, a privacy protector, junk cleaner, a file shredder, and management tools that let users control services and startup items. What's different is that it uses a constant link to a cloud-base to make individualized profiles of user computers, a process that enables SlimCleaner to make optimization recommendations that aren't one-size-fits-all, but specialized to fit the needs of the user. »

System Ninja is a fast, powerful and effective system optimization solution for Windows.It’s designed to quickly remove junk files, improve system speed and fix problems.

Remember the time when your computer was new. Everything was so quick. What do you think happened now? Well you guessed it right, it is upset with you because you are not taking good care of it.

Xdn Tweaker is a free Windows tweaking program that can perform a number of useful and interesting Windows customizations. It features some interesting tweaks and a well designed interface.