PDF Zone - An online hub for all things Acrobat and PDF. Plugins, utilities, useful tips, and newsletters.
Adobe Acrobat SDK - Various downloads for acrobat developers, including sample code and documentation..
Creating PDF Documents for Free - Links to free Web services, freeware applications, and Open Source programs generating PDF files from a variety of other formats. Aimed mainly at Microsoft Windows users..
Decument Engineering Lab - University of Nottingham research group dealing in, among other things, PDF. Papers, research reports on proposed PDF extensions, as well as downloadable and libraries..
Fast PDF - Web based tool to convert Microsoft Word documents to PDFs. Free conversion for limited time..
How to Concatenate PDFs without Pain - Article describing several possible techniques to merge two or more PDF files into a single PDF document, with comments on their effectiveness..
html2pdf - A site offering conversion to PDF from HTML documents. Commercial service that can be added to existing websites. Information and examples available..
Online PDF to HTML Conversion - Web form translating arbitrary PDF files to HTML, hosted by Adobe. Designed specifically to make PDF accessible to people with disabilities..
PDF Converters - Contains information and resources of free, shareware, and commercial document conversion software..
PDF Research Companion - A designer's guide to the Portable Document Format. Provides links, resources, articles, and case studies on Acrobat, Capture and FrameMaker..
PDFing Mailer - Convert and email AS400 reports in PDF format. Overview of software, downloads, support and contact information..
PDF - Avoid for On-Screen Reading - Alertbox article by Jacob Nielson discussing the limitations and pitfalls of PDF as an online publishing tool. (June 10, 2001).