| Action | Windows - Linux | OS X |
|---|---|---|
| Create Sibling Node | Enter | Enter |
| Create Child Node | Insert |  +Enter |
| Delete Child Node | Delete | Delete |
| Edit Node Text | Just start typing | F2 | Just start typing | F2 |
| Cancel Text Changes | Esc | Esc |
| Collapse / Extend Node | Space Bar | Space Bar |
| Node Navigation | Arrow Keys | Arrow Keys |
| Select Multiple Nodes | Ctrl+click | Ctrl+click |
| Undo Edition | Ctrl+z | +z |
| Redo Edition | Ctrl+Shift+z | +Shift+z |