TaskbarX - TaskbarX gives you control over the position of your taskbar icons.
RocketDock - RocketDock is a Mac OS X dock clone.
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.
Winstep Nexus - The Winstep Nexus Dock is a FREE* professional dock for Windows. With Nexus, your most frequently used applications are only a mouse click away - and Nexus turns working with your computer into a fun and exciting experience.
RoundedTB - Add margins, rounded corners and segments to your taskbars! - GitHub - torchgm/RoundedTB: Add margins, rounded corners and segments to your taskbars!