Ultimaker Cura - Free and open-source advanced 3D printing software

Ultimaker Cura is a very popular, powerful and easy to use 3D printing & slicing application, created by David Braam from United States, but later developed and maintained by a 3D printer manufacturing company from Netherlands - Ultimaker and its community. The most important part is its very powerful open-source slicing engine. It can be used by anyone, whether an experienced or novice 3D printer user.