Unary union 

This node find unary union of geometries

Snap to grid 

This node snaps all points of the input geometry to a regular grid

Geometries to multi-geometries 

This node returns an aggregated geometry from a collection of geometries.

Line merge 

This node merges a collection of lines into a single line

Table Connector 

This is a Database Table Connection Test.TG

Difference 

This node computes difference of geometries