Cairo Shell - Cairo is a desktop environment for Windows.
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.
Talisman Desktop - Talisman Desktop is a configurable Windows shell replacement introduced in 1997 by Lighttek...
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.
bbLean - Alternative Windows shell
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.