Pane management key bindings like tmux. Requires https://github.com/jisaacks/ChainOfCommand and https://github.com/SublimeText/Origami

Sublime-pane-management.json

[
  { "keys": ["ctrl+/", "\""], "command": "chain", "args": {
    "commands": [
      ["create_pane", {"direction": "down"}],
      ["travel_to_pane", {"direction": "down"}]
    ]}
  },
  { "keys": ["ctrl+/", "%"], "command": "chain", "args": {
    "commands": [
      ["create_pane", {"direction": "right"}],
      ["travel_to_pane", {"direction": "right"}]
    ]}
  },
  { "keys": ["ctrl+/", "x"], "command": "destroy_pane", "args": {"direction": "self"}}
]