Line endpoints 

This nodes finds start and end points of a line geometry

Proximity 

This node generates a raster proximity

Concave Hull 

This node computes concave hull of geometries

Remove repeated points 

This node remove repeated points in a geometry

Remove holes 

This node removes holes from polygon geometry

Intersection 

This node computes intersection of geometries

Distance 

This node returns the minimum distance between two geometries

Snap to grid 

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