Wecleanx is an all-in-one free app for you , It will improve your Macs performance by cleaning junk files, optimizing memory, and managing the apps you installed.
System Cleanup: Scans your system for the 8 different types of junk.

Duplicates: Find identical files quickly and accurately. Smart algorithm is used to help users select unneeded duplicate files and remove them, meanwhile will making sure that at least one instance of each file will be kept safe.

Uninstaller: Reclaim more disk space by using our Uninstaller to seek out and remove application related files instead of simply dragging an application to the Trash.

Privacy: Clean temporary files of web page to protect personal privacy frequently. It can also free valuable disk space to speed up your browser.

Photo Sweeper: Finding and grouping similars, providing different comparison methods.

Large & Old: Find all those huge files your completely forgotten about and remove the ones you no longer need.

Startup: Manage your startup items to optimize the OS X boot speed.