Karabiner (https://pqrs.org/osx/karabiner/) customization file

karabiner.private.xml

<?xml version="1.0"?>
<root>

  <appdef>
    <appname>GOOGLE_CHROME</appname>
    <equal>com.google.Chrome</equal>
  </appdef>

  <appdef>
    <appname>TERMINAL</appname>
    <equal>com.apple.Terminal</equal>
  </appdef>

  <appdef>
    <appname>SUBLIME</appname>
    <equal>com.sublimetext.3</equal>
  </appdef>

  <item>
    <name>Switch tabs in sublime</name>
    <identifier>switch-tabs-in-sublime</identifier>
    <only>SUBLIME</only>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::BRACKET_LEFT, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::BRACKET_RIGHT, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L
    </autogen>
  </item>

  <item>
    <name>Switch tabs in chrome</name>
    <identifier>switch-tabs-in-chrome</identifier>
    <only>GOOGLE_CHROME</only>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT, ModifierFlag::COMMAND_L | ModifierFlag::OPTION_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT, ModifierFlag::COMMAND_L | ModifierFlag::OPTION_L
    </autogen>
  </item>

  <item>
    <name>Switch tabs in terminal</name>
    <identifier>switch-tabs-in-terminal</identifier>
    <only>TERMINAL</only>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::BRACKET_LEFT, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::BRACKET_RIGHT, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L
    </autogen>
  </item>









  <item>
    <name>VimEm: control+jklh to arrow keys and control+shift+jklh to shift+arrow_keys</name>
    <identifier>private-vim-em-arrow-keys</identifier>
    <autogen>
      __KeyToKey__
      KeyCode::J, ModifierFlag::CONTROL_L | ModifierFlag::NONE,
      KeyCode::CURSOR_DOWN
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::K, ModifierFlag::CONTROL_L | ModifierFlag::NONE,
      KeyCode::CURSOR_UP
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::CONTROL_L | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::CONTROL_L | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT
    </autogen>

    <!-- Allows you to use LEFT shift to select -->
    <autogen>
      __KeyToKey__
      KeyCode::J, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::CURSOR_DOWN, ModifierFlag::SHIFT_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::K, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::CURSOR_UP, ModifierFlag::SHIFT_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT, ModifierFlag::SHIFT_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT, ModifierFlag::SHIFT_L
    </autogen>

    <!-- Allows you to use RIGHT shift to select -->
    <autogen>
      __KeyToKey__
      KeyCode::J, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_R | ModifierFlag::NONE,
      KeyCode::CURSOR_DOWN, ModifierFlag::SHIFT_R
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::K, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_R | ModifierFlag::NONE,
      KeyCode::CURSOR_UP, ModifierFlag::SHIFT_R
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_R | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT, ModifierFlag::SHIFT_R
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_R | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT, ModifierFlag::SHIFT_R
    </autogen>
  </item>

  <item>
    <name>VimEm: control+command+jklh to command+arrow_keys</name>
    <identifier>private-vim-like-arrows-command</identifier>
    <not>XCODE</not>
    <!-- Allows you to use LEFT COMMAND to jump -->
    <autogen>
      __KeyToKey__
      KeyCode::J, ModifierFlag::CONTROL_L | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_DOWN, ModifierFlag::COMMAND_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::K, ModifierFlag::CONTROL_L | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_UP, ModifierFlag::COMMAND_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::CONTROL_L | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT, ModifierFlag::COMMAND_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::CONTROL_L | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT, ModifierFlag::COMMAND_L
    </autogen>
  </item>

  <item>
    <name>VimEm: control+command+shift+jklh to command+shift+arrow_keys</name>
    <identifier>private-vim-like-arrows-command-plus-shift</identifier>
    <not>XCODE</not>
    <!-- Allows you to use LEFT COMMAND to jump -->
    <autogen>
      __KeyToKey__
      KeyCode::J, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_DOWN, ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::K, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_UP, ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT, ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT, ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L
    </autogen>

    <autogen>
      __KeyToKey__
      KeyCode::J, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_R | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_DOWN, ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::K, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_R | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_UP, ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_R | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT, ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::CONTROL_L | ModifierFlag::SHIFT_R | ModifierFlag::COMMAND_L | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT, ModifierFlag::SHIFT_L | ModifierFlag::COMMAND_L
    </autogen>
  </item>

  <item>
    <name>VimEm: option+h and option+l to option+left_arrow and option+right_arrow</name>
    <identifier>private-vim-like-byword</identifier>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::OPTION_L | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT, ModifierFlag::OPTION_L 
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::OPTION_L | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT, ModifierFlag::OPTION_L
    </autogen>
  </item>

  <item>
    <name>VimEm: shift+option+h and shift+option+l to option+left_arrow and option+right_arrow</name>
    <not>XCODE</not>
    <identifier>private-vim-like-byword-with-shift</identifier>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_R | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_R
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_R | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_R
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::H, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::CURSOR_LEFT, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_R
    </autogen>
    <autogen>
      __KeyToKey__
      KeyCode::L, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::NONE,
      KeyCode::CURSOR_RIGHT, ModifierFlag::OPTION_L | ModifierFlag::SHIFT_R
    </autogen>
  </item>

</root>