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.