A free program for mac, by Sergiy Savenko
Find files is tool to find and view hidden files and folders on Mac.
Funter is a freeware Mac utility that can show and hide hidden and system files in Mac OS X Finder.
Memory Cleaner X is an app to monitor memory usage and clean up your memory.
Clean up your disk and remove unnecessary files
App Uninstaller is Mac utility that allow you to uninstall software in Mac OS X.
Open and view vsd files on MAC
With Duplicates Expert u can find and delete duplicate files in Mac OS X.
Disk Expert is a powerful disk space scanning, reporting and processing utility for Mac OSX.
Disk Inspector is a utility that allows you to locate "space eaters" - big files and folders saved on disks in your Mac.