This book constitutes the refereed proceedings of the 9th International Workshop on Groupware, CRIWG 2003, held in Autrans, France in September 2003.

The 30 revised full papers presented together with an invited keynote paper were carefully reviewed and selected from 84 submissions. The papers are organized in topical sections on workspaces and groupware infrastructure, tailoring, groupware evaluation, flexible workflow, CSCL, awareness, supporting collaborative processes, workflow management systems, context in groupware, supporting communities.