Node Connectivity
There are 4972 nodes that can be used as predessesor
for a node with an input port of type 
Generic Port.
Catch Errors (Var Ports)
End of Try-Catch construct. Use second input if execution leading to first input failed.
Try (Data Ports)
Start of Try-Catch construct.
Try (Variable Ports)
Start of Try-Catch construct.
Active Branch Inverter
Inverts status of a branch: inactive becomes active and vice versa.
Capture Workflow End
Marks the end of a to be captured workflow segment.
Workflow Combiner
Concatenates two workflow segments.
Workflow Reader
Reads a single workflow into a workflow port object.
Workflow Summary Extractor
Extracts a workflow summary from a workflow port object as a XML or JSON document.
Call Local Workflow (Row Based) Deprecated
Calls other local workflows.
Call Remote Workflow (Row Based) Deprecated
Calls other remote workflows on a KNIME server.