| $click | Redefines the default click behavior for buttons of the Gantt chart |
| Gantt | A factory object that can be used to create new instances of dhtmlxGantt chart |
| ajax | Gantt ajax module |
| calendar | The interface of the working calendar object |
| config | Defines configuration options for dates, scale, controls |
| constants | Stores various constants to reduce the use of magic numbers in the code |
| dataprocessor | A set of dataprocessor methods |
| datastore | A set of datastore methods |
| date | A set of date formatting methods |
| env | A set of flags which describe current environment |
| ext | An object that stores various extensions |
| form_blocks | An object of the lightbox controls |
| A set of methods for Gantt chart localization |
| ignore_time | Hides a time unit in the time scale |
| json | Specifies JSON serialization and parsing |
| keys | Defines the hot keys for the Gantt chart |
| license | Returns the license name of dhtmlxGantt |
| locale | The current locale object (region-specific labels) of the Gantt chart |
| oldxml | Specifies serialization and parsing in the XML format of dhtmlxGantt 1.0 |
| skin | Returns the current skin of the Gantt chart |
| skins | Returns objects of the available skins |
| templates | Defines formatting templates for dates, titles, tooltips in the Gantt chart |
| treeDatastore | A set of treeDatastore methods |
| utils | Various helper modules |
| version | Returns the version of dhtmlxGantt |
| xml | Specifies XML serialization and parsing |