A computer system may include a server configured to provide access to a plurality of shared applications, and a client computing device. The client computing device may have a display associated therewith and cooperate with the server to run shared applications from among the plurality of shared applications, determine at least one group of the shared applications running on the client computing device having a relationship therebetween based upon a sequence in which the shared applications are activated, and display the shared applications from the at least one group on the display.