On today's portable Macs, especially those packing SSDs, storage space can be somewhat limited. It can be pretty easy to fill up all available space with a few large downloads, rendering your computer starved of space and creaking under the strain. Problem is, unless you watch your HDD space like a hawk, there aren't many visual cues as to when you're running low on space, and that's what Disk Alarm aims to put right.
Disk Alarm does one thing; it checks the amount of free space you have on you
