Okular
Read project documents and mark up PDFs in a flexible desktop viewer.
What’s included for free?
Free document viewer for PDFs, EPUBs, comics and other formats. Desktop installation is required; available formats and features depend on the platform build.
Where it runs: Local install
Provider information ↗Checked 2026-10-09
Before you use it
GPLv2-or-later software. Imported documents and their contents retain their own rights.
Provider terms can change. Check current pricing and usage rights before starting a project.