| $click | redefines the default click behavior for buttons of the Gantt 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 |
| 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 |
| i18n | 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 |