eSan Photo2PDF 

eSan Photo2PDF is an easy to use software tool that helps to create your own photo albums in Adobe PDF format (Portable Document Format).
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AcroPDF 

Convert your documents to Adobe PDF format quickly and easily, and allows you to create high-quality PDF files from any printable documents and virtually any Windows application. 128-bit encryption, font embedding, document metainfo creation etc.
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BLS PDF CONVERT 

Convert text, RTF, MS Word ,MS Write,MS Works to pdf format .Encryption with Adobe Standart ( 128 Bit , encryption properties , permission ...) .Batch convert files .
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pdfFormServer 

Nowadays companies are streamlining their workflows by converting paper documents to digital forms. The problem is that most of them are created in PDF format you can't edit. The pdfFormserver ist the answer of this question.
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Ap TIFF To PDF Convert 

TIFF image to PDF format batch conversion utility (tiff to pdf , tif to pdf, tiff2pdf, tif2pdf ) that converts TIFF files (including multi-page images) into PDF .
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Flatland 

Flatland, A Romance of Many Dimensions. As the author puts it, the stuff that dreams are made of. This highly imaginative book has been very influential. It is now available totally free in a high quality PDF format with the original drawings.
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