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Continue to ChatOkular is a versatile open source universal document viewer for Windows, Linux and macOS https://gadgeteer.co.za/okular-versatile-open-source-universal-document-viewer-windows-linux-and-macos/
Okular is a versatile open source universal document viewer for Windows, Linux and macOS https://gadgeteer.co.za/okular-versatile-open-source-universal-document-viewer-windows-linux-and-macos/