Official guide to PDF SDK documentation, part of the Adobe Solutions Network developer program. Introductions to the PDF document format, to the SDK, and to type technology, knowledge base articles, and technical notes.

Software that allows you to view PDF documents on your Palm OS, Pocket PC and Windows CE handheld devices.

Offering services to convert your current archives to a text searchable PDF library.

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.

University of Nottingham research group dealing in, among other things, PDF. Papers, research reports on proposed PDF extensions, as well as downloadable and libraries.

Web based tool to convert Microsoft Word documents to PDFs. Free conversion for limited time.

A site offering conversion to PDF from HTML documents. Commercial service that can be added to existing websites. Information and examples available.

Web form translating arbitrary PDF files to HTML, hosted by Adobe. Designed specifically to make PDF accessible to people with disabilities.

Panda is an open source PDF generation API.

Submit documents online to be returned as PDF.

Contains information and resources of free, shareware, and commercial document conversion software.

Specializes in PDF creation and manipulation services.

Description of PDF, how-to instructions for its use, additional resources supporting PDF, a comparison of PDF to PostScript, and links to related sites.

Convert and email AS400 reports in PDF format. Overview of software, downloads, support and contact information.

Search the web for PDF files. Web-based PDF files can also be submitted for inclusion in the search.

Overview of the format, troubleshooting, application support.

Offer services to convert any document to PDF, and also PDF to HTML. Site contains samples, FAQs and contact details.

LaserJet PCL printing, viewing and conversion software, PC and Unix. Pcl2pdf, Forms Electric.