Many of today’s leading authoring, multimedia and entertainment applications rely on QuickTime to do the heavy lifting. QuickTime contains a rich set of developer APIs for handling almost any audio, video and media task. Easily make your application multimedia-enabled with QuickTime. http://www.apple.com/quicktime/
Adobe Reader software is the global standard for electronic document sharing. It is the only PDF file viewer that can open and interact with all PDF documents. Use Adobe Reader to view, search, digitally sign, verify, print, and collaborate on Adobe PDF files.
Multimedia Player SMPlayer is a complete front-end for MPlayer, from basic features like playing videos, DVDs, VCDs to more advanced features like support for MPlayer filters, edl lists, and more. http://smplayer.sf.net
Image Manipulation GIMP is the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouch, image composition and image authoring. It works on many operating systems, in many languages. http://www.gimp.org/