ZenmapFree official build, no bundleware.文字识别synscanClean installer, works offline.文字识别sane-backendsClean installer, works offline.文字识别Umi-OCRChecked against the vendor release.文字识别havnChecked against the vendor release.文字识别ClamXAVLight footprint, quick to install.文字识别PDF Reader ProFree official build, no bundleware.文字识别PaddleOCRPortable option available.文字识别titusLight footprint, quick to install.文字识别grypePortable option available.文字识别天若 OCRChecked against the vendor release.文字识别gocrPortable option available.文字识别