Tunes - Tuneflow

Windows: If you like your software open-source you'll definitely want to check out UltraDefrag a snappy open-source Windows disk defragmenter.UltraDefrag is available as a portable application and in a GUI and ultra lightweight command-line only version—the lightweight version is designated as "micro" in the download list and is at the top of the screen, make sure to scroll down for the GUI version if you want to interact with the program like in the screenshot above.

If you're in need of partitioning software or had been thinking about trying out Paragon Partition Manager, today is a great day to do so. The $40 software is available for free, today only.

Windows: If you're on the hunt for which folder and files are chewing up the most hard drive space, Disktective is a free and portable app that makes short work of it.

Mac only: We've all experienced full hard drives, but divining where all your hard drive space has gone is never easy. Freeware program OmniDiskSweeper easily shows you which files and folders are taking up space so you can free it up.

A lot of people were upset when they found out Snow Leopard was reporting hard drive capacity "correctly" in base 10; if you were one of them, here's how you can fix it.