TaskbarX - TaskbarX gives you control over the position of your taskbar icons.
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.
TaskbarDock - TaskbarDock offers a few extra features to customize your Windows 10 taskbar.
Open Shell - Open Shell is a fork of the Classic Shell project for Windows that getting back the classic start...
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.
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.