The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Media Movement (0 members)
- solid combustion fuel (4 members)
- public transport (0 members)
- service provider role (0 members)
- solid biomass power unit (0 members)
- kinetic energy (3 members)
- Flexible Workflow Type (0 members)
- Document (5 members)
- direct marketer (0 members)
- terabyte (0 members)
- site (1 member)
- solar energy (0 members)
- space requirement for construction (0 members)
- nuclear power unit (0 members)
- Length Changing Process (0 members)
- history (0 members)
- Event Series (1 member)
- microsecond (0 members)
- programming language (0 members)
- parenting (0 members)
- data postprocessing (0 members)
- material specification (0 members)
- energy transformation function (3 members)
- Force (1 member)
- prosumer (0 members)
- climate scenario (0 members)
- international transport sector (0 members)
- Battery Passport (3 members)
- parts per thousand (0 members)
- power-to-gas system (2 members)
- rotational frequency unit (1 member)
- jet fuel turbine (0 members)
- Y Coordinate (1 member)
- volumetric flow rate value (0 members)
- creative work licence (0 members)
- perch (0 members)
- service product role (0 members)
- tesla (0 members)
- area density unit (3 members)
- model factsheet (0 members)
- coefficient of performance value (0 members)
- kilojoule (0 members)
- ontology release version (0 members)
- renewable energy (7 members)
- electric field strength unit (1 member)
- Radiological (0 members)
- Prüfling-Rolle (0 members)
- molar mass unit (2 members)
- system cost (0 members)
- Strict participants process (1 member)