Alternatives to Sys Optimizer for all platforms with Open Source License

  • AppleJack

    AppleJack is a user friendly troubleshooting assistant for Mac OS X. With AppleJack you can troubleshoot a computer even if you can't load the GUI, or don't have...

    • Discontinued
      This project has not had an updated release since about 2010, and does not work on macOS Catalina

    Free Open Source Mac

  • Disk Cleaner

    Disk Cleaner is a free open source (GPL v2) tool to quickly and easily clean your hard disk from temporary files like those in the system temporary folder, the Internet...

    • Discontinued
      Seems to be discontinued. Last version, 1.8.1795 (RC4), was released on September 16th, 2010, but it still downloadable from Sourceforge.

    Free Open Source Windows

    Disk Cleaner icon
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