When comparing Karabiner vs Hyperdock, the Slant community recommends Hyperdock for most people. In the question“What are the best power user tools for macOS?” Hyperdock is ranked 25th while Karabiner is ranked 29th. The most important reason people chose Hyperdock is:
Hyperdock adds a lot of small improvements to the default mac dock, like better iTunes controls and calendar event previews.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Low-level key bindings/mappings
For example: Fn+C now calls up contextual menus for me with:
<!-- Fn + C = same as right-click mouse -->
<item>
<name>kybd control click</name>
<identifier>private.keybd_to_control_click</identifier>
<autogen>
__KeyToKey__
KeyCode::C, ModifierFlag::FN,
KeyCode::VK_MOUSEKEY_BUTTON_RIGHT
</autogen>
</item>
Pro Make FN key into a new modifier key for custom shortcuts across apps
Pro Lots of small improvements to the dock
Hyperdock adds a lot of small improvements to the default mac dock, like better iTunes controls and calendar event previews.
Pro Select individual application
Select individual application windows just by moving the mouse on a dock item, use mouse clicks to quickly open new windows and many more.
Pro Lets you easily find a window you have open
Pro Scroll up/down on menu bar to change size
Scroll up for full size.
Pro Snaps to corners
Cons
Con Difficult to configure custom actions
Configuring custom actions requires editing an XML file with very strange syntax, for which it's difficult to find good documentation.
Con Not under active development
Hyperdock doesn't seem to be under active development and hasn't been updated since october 2014.