SI has strong and active communities from various sectors of the IT community.

Special Interest Groups – SIG (19 communities)

Regional Sections (1 community for Suisse Romande)

Interdisciplinary communities (5 communities)

Communities of IT Experts SI (6 communities in the setup process)

They all discuss and delve into their topics, publish and organise events.

Membership in a community is open to all members of the SI, with the exception of SIRA (which is restricted to professors at Swiss university departments).