PDF Password Remover can be used to decrypt protected Adobe Acrobat PDF files, which have "owner" password set. Free trial version of PDF Password Remover is available.
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DWF to DWG Converter converts DWF files to AutoCAD DWG and DXF file formats, you can recover DWF entities to corresponding DWG entities easily. It supports the DWF layers, multi-page specification and all entity types.
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DWG to PDF Converter Pro is a batch converter that allows you to convert DWG to PDF, and DXF to PDF without the need of AutoCAD. The Pro version supports command line.
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