Jetpack - Jetpack offers SEO and security plugins for Wordpress.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
WP User Manager - The most customizable profiles, community builder and membership WordPress plugin
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Project Panorama - Project Panorama is an elegant and reliable WordPress manager plugin that comes with exciting features and tools that will allow managing your multiple WordPress sites with ease.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.