Mobipocket Reader is an eBook reader, manager and downloader that supports all types of electronic books including those downloaded from the web. It is a freeware ePub reading application that's light on system resources, user friendly and easy-to-use.
Here are some screenshots to illustrate the features and user interface of this application:
PDFCreator
WinScan2PDF
Rapid PDF Count
PDF24 Creator
doPDF