OpenKM 7.1

Openoffice or Libreoffice

• Converts documents to pdf.
• It is needed for the preview feature.

Yes

ImageMagick

• Transforms images.
• Generates thumbnails.
• It is needed for the preview feature.

Usually comes by default installed in Linux OS.

In Windows, in most cases, it is not necessary to install it because it comes embedded by default with OpenKM bundle installation.

Yes

SWFTools

• Converts pdf document to SWF.
• It is needed for the preview feature.

GhostScript

• Interpreter for the PostScript language and PDF.
• Needed by Imagemagick.

Usually comes by default installed on Linux OS.

Optional

Pdftohtml

• Converts pdf documents to HTML.
• It is needed for the preview feature.

Optional

Tesseract or cuneiform

• OCR engine.
• They are used for the text extraction feature.

It is required when the application must process images to extract text (OCR).

Optional

FFmpeg

• Converts and streams audio and video

Optional

Clamav or equivalent

• Antivirus

 Required when antivirus feature is enabled.

Optional