iFreeMem 3.5 for Mac is available as a free download on our software library. The default filename for the application's installer is iFreeMem-3-5-0a.dmg.zip. This Mac application is an intellectual property of John Wylie & Activata. This program's bundle is identified as uk.co.activata.iFreeMem2. The most popular versions among the program users are 3.5 and 1.0. The application lies within System Tools, more precisely Benchmark.
From the developer:
iFreeMem free's memory from the in-memory cache that accumulates with every file or application read from hard-disk.
You may want to check out more Mac applications, such as FreeSpace, which might be similar to iFreeMem.