GNU Ghostscript

Ghostscript is the name of a set of software that provides:
- An interpreter for the PostScript language and the PDF file format,
- A set of C procedures (the Ghostscript library) that implement the graphics capabilities that appear as primitive operations in the PostScript language, and
- A wide variety of output drivers for various file formats and printers.

Ghostscript was originally written by Peter Deutsch.

The original Ghostscript program is maintained by a group of developers. Raph Levien is the main developer.

GNU Ghostscript is maintained by a team of GNU programmers.