HandBrake is a multiplatform, multithreaded DVD to MPEG-4 ripper/converter. HandBrake was originally available on the BeOS, but now has been ported over to MacOS X and to GNU/Linux. A Windows port is in development. Also see MediaFork – a fork of HandBrake that seeks to continue development on the project.

iTextSharp is a C# port of iText, a Pdf java library.

iText is a java library that contains classes to generate documents in the Portable Document Format (PDF), XML, HTML, and RTF.

PDFCreator easily creates PDFs from any Windows program. Use it like a printer in all your favourite Windows programs. It is effectively a virtual printer driver.