Using a free scanner like Secunia PSI is complementary to antivirus software. Secunia PSI free computer security program is essential for every home computer.
Free FoxIt Reader is a small, lightning fast, feature rich PDF viewer. FoxIt Reader is the only high-volume PDF reader providing a complete PDF creation solution, thereby providing the power of PDF creation to every desktop.
Free calibre eBook management library is meant to be a complete elibrary solution and thus includes library management, format conversion, news feeds to eBook conversion, as well as eBook reader sync features and an integrated eBook viewer. See calibre in action an overview of the major calibre features and how to get started using them.