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miro vs Okular: catalog facts
miro	Okular
Free Free and open source under AGPL-3.0-only.	Free Free and open source under the GPL.
Windows, macOS, Linux	Windows, macOS, Linux
Keyboard controls with Vim-like bindings by default Dark mode for the interface and PDFs	One viewer for a very wide range of document and comic formats Annotations are stored separately, so the original file is untouched
The documented Linux display backends are Wayland and X11.	Pulls in KDE libraries on non-KDE desktops It is a viewer and annotator, not a PDF editor
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-only	License: GPL-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.