This is a branch of DockBar (a TaskBar with grouping and group manipulation) with some extra features added.
Dockbar is made by Aleksey Shaferov.
DockbarX branch is developed by Matias Särs.
The icon is made by BigRZA.
"Human Bar" theme is made by bigRZA.
"Gaia" is made by Izobalax.
The button image used in "Default" and "New" themes are is made by Sami Rissanen (st6).