Node Connectivity
There are 5201 nodes that can be used as predessesor
for a node with an input port of type 
Generic Port.
Web Interaction Start (Labs)
Opens a browser instance.
CSV Array Reader
Reads a 'wide' CSV files into a KNIME vector format.
Expand Vector Streamable
Samples and expands the String/Double Vector to individual string/double columns.
Line Chopper Streamable
Reads items from a string of one column and stores these in one column as vector/collections or in multiple columns.
Sample and Expand Vector Streamable
Samples and expands the Double Vector to individual double columns.
Call OpenBabel Deprecated
Molecular type conversion using OpenBabel toolkit. (Example implementation for an extension of the external tool node.)
Column Expressions (legacy) Streamable
Append and modify columns using expressions.
External Tool (Labs)
Process the input data using an external application.
Molecule Widget (Labs)
Emits a molecule string in the specified format.
Perl Scripting
Runs a Perl script which creates a new column or replaces an existing one.