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 installed by default on Linux OS.

On Windows, in most cases it is not necessary to install it because it is embedded by default in the OpenKM bundle.

Yes

SWFTools

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

GhostScript

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

Usually comes installed by default 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 the antivirus feature is enabled.

Optional