UltraDefrag is an open-source disk defragmenting utility for Microsoft Windows. Developed by Dmitri Arkhangelski and Justin Dearing
License: Open Source
UltraDefrag is a free, open-source disk defragmentation tool that emphasizes simplicity and low resource usage, featuring boot-time defragmentation and SSD optimization. In contrast, Condusiv Diskeeper offers advanced features like real-time optimization and comprehensive system management tools, making it more suitable for users who require ongoing performance enhancement, albeit at a cost.