C P Geevan

calibre - Powerful, free, open-source, and easy to use e-book manager.

R for Windows - Perform graphical and statistical analysis through R for Windows.

WinRAR - Compress and e-mail files and folders using RAR and ZIP archive formats.

PDF Architect - Create, edit, enhance, convert, and share your PDF files efficiently.

CCleaner - Сlean up your PC, optimize performance, and maintain your online privacy.

Bullzip PDF Printer - Write PDF documents from virtually any Microsoft Windows application.