Two popular non-profit distributed computing projects are distributed.net[1] and SETI@home[2]. United Devices[3] is the largest commercial distributed computing network.
Distributed computing is also an active area of research with abundant literature. The most known distributed computing conferences are The International Conference on Dependable Systems and Networks [4] and the ACM Symposium on Principles of Distributed Computing [5]. Journals include the Journal of Parallel and Distributed Computing [6].