We currently sync Billing contact, Client, Country, Currency, Custom field, Expense claim, Leave, Location, Module, Module custom field value, Office, Project, Project custom field value, Project status, Project type, Report, Resource, Task, Task custom field value, Tax type, Team, Timesheet, User, User custom field value, Client project, Client billing contact, Client type, Custom field project type, Custom field project status, Custom field option, Expense claim file, Module task, Module custom field option value, Project module, Project custom field option value, Task user, Task custom field option value and User custom field option value (see our
Data Model for full details). If there's something else you need
just ask.