The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Particle System (1 member)
- Particles (1 member)
- Patterns in Nature (2 members)
- Patterns in Society (2 members)
- Performance (3 members)
- Philosophie (4 members)
- Physical Computing (8 members)
- Pixels (1 member)
- Plugin (4 members)
- Poetry (1 member)
- Printed Electronics (8 members)
- Processing (56 members)
- Programmiersprachen (70 members)
- Programmierung (2 members)
- Programming (7 members)
- Projection Mapping (2 members)
- Projekt (10 members)
- Projektliste (7 members)
- Projektmodul (85 members)
- Projektraum (1 member)
- Prototyping (2 members)
- Pure Data (156 members)
- Python (7 members)
- Ralf Baecker (1 member)
- Ralf Schreiber (1 member)
- Rapid Prototyping (2 members)
- RaspberryPi (2 members)
- Raum (9 members)
- Rechnender Raum (1 member)
- Research (3 members)
- Rickie Lea Owens (1 member)
- Robin Minard (2 members)
- Robots (1 member)
- SCC (2 members)
- SS07 (2 members)
- SS08 (3 members)
- SS09 (15 members)
- SS10 (37 members)
- SS11 (19 members)
- SS12 (18 members)
- SS13 (14 members)
- SS14 (8 members)
- SS15 (8 members)
- SS16 (18 members)
- SS17 (11 members)
- SS18 (10 members)
- SS19 (8 members)
- SS20 (17 members)
- SS21 (7 members)
- SS22 (12 members)