| Name | Description | Type | Package | Framework |
| DelaunayEdge | Class | org.geotools.graph.util.delaunay | GeoTools | |
| DelaunayNode | Class | org.geotools.graph.util.delaunay | GeoTools | |
| DelaunayTriangulator | Class | org.geotools.graph.util.delaunay | GeoTools | |
| Delaunay_Voronoi | Draw Delaunay triangulation or Voronoi Diagram as an overlay. | Class | Fiji | |
| DelaunayTriangulation | A 2D Delaunay Triangulation (DT) with incremental site insertion. | Class | delaunay | Fiji |
| DelaunayDiagram2D | Class | org.jscience.mathematics.geometry | JScience | |
| DelaunayElements | A set of Delaunay elements. | Class | agi.foundation.coordinates | AGI ( Analytical Graphics ) |