Classic Shell - Classic Shell was developed for Windows 8 since that was the first version of the popular operating system to forgo the iconic Start menu.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
StartIsBack - StartIsBack returns Windows 10 and Windows 8 a real fully featured start menu and start button, behaving exactly like the ones in Windows 7. It's totally awesome and easy solution for your new Windows woes.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Start Menu X - Start Menu X with Start Button. Power users know how inconvenient and time-consuming it is to launch programs from the system menu.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.