If you want to create a PDF file from any other applications, you can use PDFCreator. It is a free tool and only for Windows platform. PDF files can be encrypted to protect from being opened and printed by others. Not just one file type, you can create other file types such as JPG, PNG, BMP and EPS. It is opensource and free even for commercial use.

Download PDFCreater

Source: LifeHacker

Technorati:PDFCreator, freeware