 | |
 XpdfReader 4.0 screenshot | |
| Developer(s) | Glyph & Cog |
|---|---|
| Initial release | December 12, 1995 |
| Stable release | 4.05[1] 
/ 8 February 2024 |
| Operating system | Linux, Windows, macOS, FreeBSD, OpenVMS |
| Type | PDF viewer |
| License | GPL-2.0-only[2] or GPL-3.0-only[3] or proprietary[4][5] |
| Website | xpdfreader |
Xpdf is a free and open-source PDF viewer and toolkit based on the Qt framework.[4] Versions prior to 4.00 were written for the X Window System and Motif.[6]
- ^ "Xpdf 4.05 release". 8 February 2024. Retrieved 2 May 2024.
- ^ about on foolabs.com "Xpdf is licensed under the GNU General Public License (GPL), version 2. In my opinion, the GPL is a convoluted, confusing, ambiguous mess. But it's also pervasive, and I'm sick of arguing. And even if it is confusing, the basic idea is good."
- ^ xpdf xpdf 3.03 "The license was changed from GPLv2 to dual v2/v3 licensing."
- ^ a b Xpdf website
- ^ Glyph & Cog, LLC: Xpdf
- ^ Polzer, Leslie (2006-11-28). "A survey of Linux PDF viewers". SourceForge, Inc. Retrieved 2007-08-30.