Fast and Easy
It does a great job of cleaning up that hard-to-find caches folder as well as numerous other locations where OS X and apps store their data seemingly forever. It should be an essential part of every power-user’s utility portfolio. The price is inexpensive for what it does and it can help prolong the life of SSD flash drives by freeing up blocks for wear-levelling.
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Disk Diag, v1.2