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# Welcome to Ghostscript

Ghostscript is an interpreter for the PostScript® language and PDF files. It is available under either the GNU GPL Affero license or licensed for commercial use from Artifex Software, Inc. It has been under active development for over 30 years and has been ported to several different systems during this time. Ghostscript consists of a PostScript interpreter layer and a graphics library.

About

- Introduction
- News
- Ghostscript Release Dates

Ghostscript User Guide

- Building from Source
- Installing
- Using

Developing with Ghostscript

- Information for Ghostscript Developers
- API
- The Core Library
- Language Bindings
- PostScript Language
- Third Party Libraries

Devices

- Details of Ghostscript Output Devices
- High Level Devices
- The Interface between Ghostscript and Device Drivers
- Unsupported Devices
- Sample CMYK 32-bit Device that Supports Post Rendering Processing

Coding Guidelines

- Guide to Ghostscript Source Code
- Ghostscript C Coding Guidelines
- Ghostscript PostScript Coding Guidelines

Other

- Ghostscript Enterprise
- The GhostPDL Interpreter Framework
- Convert PostScript to Encapsulated PostScript Interchange Format
- PostScript Files Distributed with Ghostscript
- Fonts and Font Facilities Supplied with Ghostscript
- Ghostscript Color Management
- Creating ZUGFeRD files
- Setting Up a Unix lpr Filter for Ghostscript

This software is provided AS-IS with no warranty, either express or implied. This software is distributed under license and may not be copied, modified or distributed except as expressly authorized under the terms of that license. Refer to licensing information at artifex.com or contact Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco, CA 94129, USA, for further information.