Various free and paid computer maintenance and optimization utilities have been reviewed on this blog but none comes close to our old-time favorite TuneUp Utilities. Brand new TuneUp Utilities 2011 is out now featuring some great new enhancements and functionality, we have been provided with EXCLUSIVE free licenses to giveaway for our readers read-on for details.

Released on October 27, 2010, TuneUp Utilities Version 2011 takes PC optimization to a whole new level with inclusion of a significant new addition labelled TuneUp Program Deactivator powered with newly built TuneUp Programs-on-Demand Technology. This new version of TuneUp Utilities provides noticeable gains in performance and maximum stability through regular maintenance and new or improved functionalities.

WinTools.Net is a system maintenance and optimization utility suite aimed to increase Windows OS performance. Allowing users to remove unwanted software's, clean registry, garbage files, shortcuts etc. and manage Windows startup process, memory and system tweaks the utility suite consists of following modules - Clean Uninstaller, Scan Files, Scan Shortcuts, Scan Registry, Startup Manager, Tweak UI, Net Tweaker, Your Privacy, Invisible Man, File Shredder etc.

We have reviewed many free system maintenance utility suites and almost everyone one of them does the job decently, developed by a "Microsoft certified partner" company brand new entry to this niche "SlimCleaner" has something new to offer and that is to utilize the power of community letting users decide what to keep and what to remove.

Thanks to quite a few free PC Information, Optimization and repair utility suites the user is now able to choose a suitable pack for their personal needs, and to further widen the existing offerings IObit has now came up with an excellent collection of 20 dedicated tools allowing users to fetch diagnostic information, enhance security, optimize performance and repair PC problems neatly packed as an free, portable toolbox named - "IObit Toolbox".

As the title says the great part is that you can customize the toolbox branding to have your own/company name and logo as shown in image above.

A properly tweaked system is must for optimal PC performance and Windows utility System Nucleus is another great freeware to achieve this. The powerful system utility suite comes with fairly advanced features to view, edit and manage system resources and settings, the consolidated functionality set is designed to make these tasks easier than ever from a single interface. Developer of System Nucleus has put emphasis on batch processing, filtering, and easy visual identification of items using distinctive icons.

Equipped with modules like System Audit, System Editor, Startup Manager, Backup & Recovery, Windows Application Menu, System Tray Menu, Program Manager, Disks & Drives, Detailed Information, Smart Run and Customizable SetOnce Interface makes it a comprehensive toolbox to tweak your computer, the utility is designed to make batch administration operations easy like kill multiple processes, uninstall multiple applications etc.

Software vendor Comodo is churning out some great free software these days, after delivering a promising secure web-browser Dragon Internet Browser the company is now offering an absolutely free Windows maintenance utility dubbed "Comodo System-Cleaner", the utility supports almost all platform of Windows and features a junk file-cleaner, disk registry-cleaner, and an privacy cleaner including unique feature SafeDelete™ which safeguards users against accidental file deletions.

System Mechanic, TuneUp Utilities and IOBit Advanced SystemCare are few well known examples of computer tuneup and maintenance utility suites but if you are looking for something which is free luckily we have one such utility suite - TweakNow PowerPack 2009.

TweakNow PowerPack is a fully-integrated suite of utilities which lets you fine-tune every aspect of your computer's operating system and Web browser to achieve optimum performance.

Popular Windows maintenance and system optimization utility suite Advanced WindowsCare Professional is now Advanced SystemCare and is available for free, the new avatar of the software suite completely replaces the old interface with a brand new smart and easy to use practical interface.

Advanced SystemCare Free makes use of the popular one-click system maintenance approach to repair, clean, protect and optimize your Windows PC providing better speed and reliability.