Apago Offers a full line of software products for the graphics and pre-press industries. Apago has several plug-ins for PDF. http://www.apago.com/products.html

Lantana Research Software Developers of plugin tools for creating layers, increasing form usability, color production printing, image editing. http://www.lantanarips.com/

PDF Find and Print A plug-in for Acrobat Reader version 4.x, that will batch print PDF files with automatic printer selection based upon document dimensions. Provide user manual online. http://www.pdffindandprint.com/

Merlin Open Systems Developer of cross-platform Adobe Acrobat plugins. http://www.merlin-os.co.uk/

PDF Snake Adobe Acrobat plugin that adds imposition, scaling, watermarking and other features. http://www.pdfsnake.com/

PDF Solutions Clonelinks plugin for Adobe Acrobat 4, allowing easy copying of attributes between PDF links. http://www.clonelinks.com/

Quite Software Developers of plugins, such as Quite A Box Of Tricks, Quite Imposing, and Quite RGBGone. http://www.quite.com/

Convert Zone Adobe Acrobat plug-ins and batch programs to convert between pdf, doc, html, excel and text files. http://www.convertzone.com/

Appligent Provide three plug-ins for Acrobat. Add(remove)text/images/date to(from) PDF documents. http://www.digapp.com/newpages/products.html

PDF Everywhere Provider of a set of software PDF products files: merging, splitting, encrypting, decrypting, stamping, imposing, and extracting of PDF files without using Acrobat products. http://www.pdfeverywhere.com/

PDF to TEXT Converter Plug-in for Acrobat that converts PDF to text, HTML, bmp and jpg. Software descriptions, screenshots, FAQs, demo downloads, and contact details. http://www.pdftoall.com/pdf%20magic.htm

PDFtoALL Plug-in that converts PDF files to text, HTML, BMP, JPG and PNG. Information and demonstrations available for download. http://www.pdftoall.com/

LineType Software, Inc. LineScale plug-in for Acrobat and Acrobat Reader is the premier distance and area measuring tool for PDF files, offering unique features in an easy-to-use interface. Electronic document solutions and consulting services for architects, engineers and contractors. http://www.linetype.com/

Appligent Provides tools for personalizing, stamping, appending, splitting, merging, manipulating, signing and securing PDF files on all leading server platforms. The Redax plug-in provides foolproof redaction of sensitive content from PDF documents. http://www.appligent.com/

Creo Developers of plug-ins, such as Pagelet, and PDF Seps2Comp. Plug-ins allow to transform separated PDF files into composite documents. http://www.creo.com/global/products/software_solutions/creative/default.htm

ReaderSave Plug-in to retrieve past Adobe Reader form data http://www.siquis.freeserve.co.uk/

Datafarm Inc. Developers of Acrobat Plug-ins and other PDF tools. http://www.datafarminc.com/

PDF-Convert Office format to PDF conversion programs. http://www.pdf-convert.com/