RocketDock - RocketDock is a Mac OS X dock clone.
TaskbarX - TaskbarX gives you control over the position of your taskbar icons.
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.
7+ Taskbar Tweaker - 7+ Taskbar Tweaker allows you to configure various aspects of the Windows taskbar.
ObjectDock - ObjectDock is the most popular animated dock for Windows.
TaskbarDock - TaskbarDock offers a few extra features to customize your Windows 10 taskbar.