Thisbook constitutes the thoroughly refereed proceedings of the 11th InternationalConference on Collaborative Computing: Networking, Applications, andWorksharing, CollaborateCom 2015, held in Wuhan, China, in November  2015.

The 24 full papers and 8 short papers presented were carefullyreviewed and selected from numerous submissions. They address topics aroundnetworking, technology and systems, including but not limited to collaborativecloud computing, architecture and evaluation, collaborative applications,sensors and Internet of Things (IoT), security.