Karabiner global hotkey definition to switch between applications (place in ~/Library/Application Support/Karabiner/private.xml)

private.xml

<?xml version="1.0"?>
<root>
  <vkopenurldef>
    <name>KeyCode::VK_OPEN_URL_APP_Karabiner_Term</name>
    <url type="file">/Users/agoston/Applications/iTerm.app</url>
  </vkopenurldef>
  <vkopenurldef>
    <name>KeyCode::VK_OPEN_URL_APP_Karabiner_Firefox</name>
    <url type="file">/Applications/Firefox.app</url>
  </vkopenurldef>
  <vkopenurldef>
    <name>KeyCode::VK_OPEN_URL_APP_Karabiner_Mail</name>
    <url type="file">/Applications/Microsoft Office 2011/Microsoft Outlook.app</url>
  </vkopenurldef>
  <vkopenurldef>
    <name>KeyCode::VK_OPEN_URL_APP_Karabiner_IDEA</name>
    <url type="file">/Users/agoston/Applications/IntelliJ IDEA 13.app</url>
  </vkopenurldef>
  <vkopenurldef>
    <name>KeyCode::VK_OPEN_URL_APP_Karabiner_Chat</name>
    <url type="file">/Applications/Microsoft Lync.app</url>
  </vkopenurldef>


  <item>
    <name>Local Maci</name>

    <item>
      <name>Maci v0</name>

      <identifier>remap.maci_v0</identifier>

      <autogen>__KeyToKey__ KeyCode::KEY_1, ModifierFlag::OPTION_L, KeyCode::VK_OPEN_URL_APP_Karabiner_Term</autogen>
      <autogen>__KeyToKey__ KeyCode::KEY_2, ModifierFlag::OPTION_L, KeyCode::VK_OPEN_URL_APP_Karabiner_Firefox</autogen>
      <autogen>__KeyToKey__ KeyCode::KEY_3, ModifierFlag::OPTION_L, KeyCode::VK_OPEN_URL_APP_Karabiner_Mail</autogen>
      <autogen>__KeyToKey__ KeyCode::KEY_4, ModifierFlag::OPTION_L, KeyCode::VK_OPEN_URL_APP_Karabiner_IDEA</autogen>
      <autogen>__KeyToKey__ KeyCode::KEY_5, ModifierFlag::OPTION_L, KeyCode::VK_OPEN_URL_APP_Karabiner_Chat</autogen>
    </item>

  </item>
</root>