Ghostscript, available under GNU GPL Affero or a commercial license from Artifex Software, is a widely-used interpreter for PostScript and PDF files. Developed for over 30 years, it supports Windows, macOS, Unix, and Unix-like platforms. Users can render, rasterize, and convert PostScript and PDF documents. Ghostscript offers various utilities for developers and users in printing, document management, and desktop publishing, making it indispensable in these sectors for efficient document handling.