Ghostscript, Ghostview and GSview Homepage
- An interpreter for the PostScript language and PDF along with related software and documentation. Latest release is 8.62, 2008-02-29.
PDFedit
- A free/open source editor for manipulating PDF documents. Comes with both a GUI and a command-line interface. Available in Czech, English, German, Russian, and Spanish.
Txt2pdf - convert text files to Acrobat PDF
- A tool to convert txt, text, textual report, spool into pdf; support for English, Japanese, Chinese (simplified and traditional), Korean, Greek, Polish, Hebrew, Thai languages.