The following communities are not currently funded directly but may still be active and have useful information on their web sites:
| CCP | CHAIR | TITLE | 
|---|---|---|
| CCP1 | Professor Peter Knowles | The Electronic Structure of Molecules | 
| CCP3 | Dr Simon Crampin | Computational Studies of Surfaces | 
| CCP6 | Dr Graham Worth | Molecular Quantum Dynamics | 
| CCP12 | Professor David Emerson | High Performance Computing in Engineering | 
| CCP13 | Professor Tim Wess | Software for Fibre & Polymer Diffraction | 
| CCP14 | Professor Jeremy Cockcroft | Powder Diffraction | 
| CCP-ASEArch | Professor Mike Giles | Algorithms and Software for Emerging Architectures | 
| CCP-mag | Professor Julie Staunton | Computational Magnetism | 
| CCP Plasma | Professor Tony Arber | Plasma Physics | 
| CCPQ | Dr Jimena Gorfinkiel | Quantum Dynamics in Atomic, Molecular and Optical Physics | 
| CCP-CoDiMa | Professor Steve Linton | Computational Discrete Mathematics |