Remove repeated points 

This node remove repeated points in a geometry

Minimum bounding rectangle 

This nodes returns the minimum bounding rectangle of a geometry

Snap to grid 

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

Transform 

This node transforms geometry to a different coordinate reference system.

Buffer 

Constructs a polygon at a specified distance from the geometry

Concave Hull 

This node computes concave hull of geometries

Difference 

This node computes difference of geometries