Okular
Software
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Okular is a multiplatform document viewer developed by the KDE community and based on Qt and KDE Frameworks libraries. It is distributed as part of the KDE Applications bundle. Its origins are from KPDF and it replaces KPDF, KGhostView, KFax,... Wikipedia
Initial release: 2005; 19 years ago
License: GPL-2.0-only or GPL-3.0-only
Preview release: 21.11.90 / 24 November 2021
Stable release: 24.02.1 / 19 March 2024