Remove holes 

This node removes holes from polygon geometry

Table Connector 

This is a Database Table Connection Test.TG

Distance 

This node returns the minimum distance between two geometries

Line merge 

This node merges a collection of lines into a single line

Resample/Warp (Reproject) 

Raster image resample, reprojection and warping node

WFS connector 

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

Snap to grid 

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