The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Country (0 members)
- RemoteFile (1 member)
- BuildingFunction (0 members)
- Keyword (0 members)
- Event (0 members)
- ElnEntry (1 member)
- WikiFile (29 members)
- University (0 members)
- AdministrativeArea (4 members)
- Organization (5 members)
- AdministrativeProcess (1 member)
- MainQuantityProperty (1 member)
- DataSoftware (4 members)
- Grant (1 member)
- Place (1 member)
- Data (2 members)
- StatusEnumeration (2 members)
- PhysicalItem (0 members)
- RiskAssessmentProcess (0 members)
- OrganizationalUnit (2 members)
- Location (4 members)
- LocalFile (0 members)
- GovermentOrganization (0 members)
- Person (2 members)
- Site (0 members)
- ProjectStatus (12 members)
- Tutorial (2 members)
- Building (0 members)
- Function (4 members)
- Institute (0 members)
- BattmoModel (18 members)
- EmmoTerm (0 members)
- BudgetType (0 members)
- Topic (0 members)
- Competence (0 members)
- PersonRole (0 members)
- Corporation (0 members)
- Priority (3 members)
- SubQuantityProperty (0 members)
- Floor (0 members)
- CreativeWork (2 members)
- PrefectFlow (4 members)
- Software (2 members)
- ResearchOrganization (0 members)
- City (0 members)
- Recipe (0 members)
- WebService (1 member)
- IssueLabel (0 members)
- Model (1 member)
- ExternalPerson (0 members)