TaskbarX - TaskbarX gives you control over the position of your taskbar icons.
RoundedTB - Add margins, rounded corners and segments to your taskbars! - GitHub - torchgm/RoundedTB: Add margins, rounded corners and segments to your taskbars!
TaskbarDock - TaskbarDock offers a few extra features to customize your Windows 10 taskbar.
7+ Taskbar Tweaker - 7+ Taskbar Tweaker allows you to configure various aspects of the Windows taskbar.
Stacky - Simple app enhancing windows task bar functionality with stacks of shortcuts.
RocketDock - RocketDock is a Mac OS X dock clone.