UltraDefrag
Open SourceUltraDefrag is a powerful open-source defragmentation tool designed for Microsoft Windows, known for its speed, efficiency, and lightweight footprint. It offers both a graphical user interface and command-line options, making it suitable for both novice and advanced users seeking to optimize their hard drive performance.
Key Features
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Extremely fast defragmentation process.
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Very low system resource consumption.
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Portable version available.