Vertices to points 

Converts the vertices of geometry to points

Snap to grid 

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

Unary union 

This node find unary union of geometries

Convex hull 

This node computes convex hull of geometries

Polygon to line 

This nodes finds lines of a polygon geometry

WFS connector 

This node connects to a WFS service and user can select a source from there.

Transform 

This node transforms geometry to a different coordinate reference system.