Daylon Leveller is described as 'Leveller is a 3D terrain editor which combines intuitive pixel sculpting with the accuracy of georeferencing and vector shapes. Users may also paint and select terrain, and apply filters, in a manner similar to a graphics editor' and is an app in the Photos & Graphics category. There are four alternatives to Daylon Leveller for Windows and Mac. The best alternative is Terragen, which is free. Other great apps like Daylon Leveller are Vue (Paid), L3DT (Freemium) and Grome (Paid).