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    • FreeProprietary
    • Windows
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    Windows freeware defragmentation and optimization - MyDefragGUI and the legacy JkDefragGUI.
  1. The complete care package for your computer! This program will clean, speed up, maintain, secure, and repair your system to make your computer run like brand new.


  2. Advanced system optimizer is a package of multiple small utilities which performs end to end PC optimization. It helps to improve the speed of a windows machine by analyzing and cleaning the responsible factors.
  3. Ashampoo HDD Control 2 provides complete monitoring of your hard drive(s). The software supports not only all common IDE and serial ATA hard drive(s), but also provides improved support for external USB hard drives and solid state drives (SSDs).
    • Free PersonalProprietary
    • Windows
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    MyDefragPowerGUI 1.0.4. MyDefragPowerGUI has basicly the same functions as JkDefragGUI. MyDefragPowerGUI is compatible with U3, Windows 2000, XP, 2003, Vista, 2008 and Windows 7.

    Discontinued

    The program is no longer updated. Last version, 1.0.4, released on January 10th 2011, can be still downloaded from the official website.

    • Free PersonalProprietary
    • Windows
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    DiskTuna is an easy to use, on-demand, no frills disk optimizer and defragmentation utility for FAT, FAT32 and NTFS formatted drives. Through a simple to use mechanism you can create ‘jobs’ that enable you to schedule or launch disk optimization with just one click.
  4. Drive Genius is a hard drive utility that speeds up, cleans up and optimizes your Mac.
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  5. Norton Utilities improves your PC's performance and startup time by repairing common PC issues, freeing up disk space, and providing registry repair.
  6. "Registry defragmentation" performs physical defragmentation of the Windows registry file. After defragmentation your registry will acquire linear structure which will reduce application response time and registry access time.
  7. Quicksys RegDefrag is a small, clear and easy freeware utility to defrag and compact Windows registry. It optimizes registry by removing gaps, fragments and wasted space in Windows registry files.

    Discontinued

    Last version, 2.9, was released on August 11, 2010. It can be still downloaded from Wayback Machine.

  8. A clean registry is essential for a trouble free PC and ensures that your high performance standards are maintained.
  9. Advanced Cleaner is an effective solution that was especially created to provide you with the necessary tools for removing from your system the files that remain after Internet browsing sessions, registry entries that are broken or useless, log files and other items that may...
  10. PC Bean & Clean is an efficient and reliable piece of software whose main purpose is to allow you to increase your computer's performance by getting rid of old and unnecessary files or other data that clutters your system and causes it to lag.
  11. Disk Speedup tool effortlessly cleans junk files, optimizes file storage, removes duplicate files, and fixes file errors to let your system perform in best and secure environment.
    • Free PersonalProprietary
    • Windows
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    Passmark Fragger lets you frag and defrag files in a controlled environment according to user-selected settings.
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