PDFlib is a development tool for PDF-enabling your software, or generating PDF on your server. PDFlib offers a simple-to-use API for programmatically creating PDF files from within your own server- or client-side software. PDFlib doesn't make use of third

iText is a library that allows you to generate PDF files on the fly.

iTextSharp is a port of the iText, a free Java-Pdf library.
iText is a library that allows you to generate PDF files on the fly.

In development since 1997, JPedal is a 100% Java library designed to ease the integration of pdf files into any work flow. Concentrating on the easy display, manipulation and extraction of content, JPedal is an essential tool for pdf developers.

A package for creating and manipulating graphs (in the graph-theoretic sense). Creates a set of CLOS classes for graphs, vertices, edges. Provides algorithms for traversing, counting, searching for vertices.

A .net wrapper for the Sword library using SWIG and the Visual Studio Express Editions.