Polygon to line 

This nodes finds lines of a polygon geometry

Transform 

This node transforms geometry to a different coordinate reference system.

Proximity 

This node generates a raster proximity

Difference 

This node computes difference of geometries

Line merge 

This node merges a collection of lines into a single line

Buffer 

Constructs a polygon at a specified distance from the geometry

Table Connector 

This is a Database Table Connection Test.TG

Snap to grid 

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

Vertices to points 

Converts the vertices of geometry to points