Node Connectivity
There are 154 nodes that can be used as predessesor
for a node with an input port of type 
org.knime.core.node.port.AbstractPortObject.
Distance Matrix Calculate
Calculates distance matrix on input table and appends result as (typed) column.
Network Viewer
A JavaScript Network Viewer is using a JavaScript based Graph theory / network library cytoscape.js.
Network Viewer (local)
Visualizes a network.
Tag Cloud
Creates a tag cloud
R R-View Deprecated
Enables the usage of R views using the local R installation.
Table R-View Deprecated
Enables the usage of R views using the local R installation.
R View (Remote) Deprecated
Enables the usage of R views generated on an R server.
R View (Table)
Generates images in KNIME of R views from a local R installation.
R View (Workspace)
Enables the usage of R views using the local R installation.
Python View Deprecated
Allows execution of a Python script in a local Python installation.