Jforis is open source software used to convert XML documents conforming to the XSL-FO specification to RTF format, and then into PDFs. If this is something you can use, there are links for the download of this tool, and instructions on how to run it.
There are also many useful articles on this web site that can teach you a little about a lot of things. There are articles about whether or not #D movies are worth the hype or not, about 3D websites and 3D animation software. Did you know the ways that Facebook can help your business? Read about it here.
There is an excellent article about the basic principles of a good web site and one about the dumbest web sites out there. Want to know what open source software is? There are good tips for improving your computer’s graphics, and that is something we all can benefit from!