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CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

WikiAnswers: Questions and Answers from the Community

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

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A-PDF Solution is a PDF software developer who focuses on providing affordable Acrobat PDF tools and customization service for personal and small business.

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PDF Editor to replace Adobe Acrobat: Create, Fill, Save, Delete, Submit, Reset PDF Form. Insert Text, Image, URL, Whiteout, Highlight, Drawing, Commenting, Action and Bookmark into PDF. Scan paper form into PDF. International language Support. Cre...

Smile develops productivity software for Mac OS X: PDFpen for editing PDFs; DiscLabel for designing CD/DVD labels and packaging; TextExpander, the typing shortcut utility; PageSender fax software; and BrowseBack, the visual web history tool.

Simpo provides fast PDF tools to Convert PDF to Word, Convert Office to PDF, Merge PDF Files, Split PDF, Convert PDF to PowerPoint.

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University of Wisconsin-Eau Claire's source for official information

Bluebeam

Classic PDF editor, free download. Classic PDF editor 12: The most users friendly software to create, view, edit and conert any PDF file with single click..