Cytoscape WikiCytoscape allows for merging of both network and table data, through Tools &arr; Merge.
Merge Networks
The Advanced Network Merge interface is available from Tools &arr; Merge &arr; Networks... and allows for merging of two or more networks.
Basic Operations
In the Operation drop-down, select either "union", "intersection" or "difference".
Networks available for merge are listed under Networks to merge. Select a network from the list and click the right arrow to transfer the network to Selected networks. Click Merge to continue.