VLC is a free and open source cross-platform multimedia and framework that plays most multimedia files as well as DVD , Audio CD, VCD , and various streaming protocols.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
  
               

                                               
The K-Lite Codec Pack is a collection of Direct Show filters, VFW/CAM codecs, and tools. Codecs and DirectShow filters are needed for encoding and decoding audio and video formats.

     


      
                          









                                                                                       

                                                                                                                    
                                          RealPlayer has always enabled you to play RealAudio (*.ra) 

                   and  RealMedia (*.ram) files.

                  1.  Download videos from thousands of Web sites with
                  2.  Build your own video library and playlists

                  3.  Play all major audio and video formats

                  4.  Flash Video support

                  5.  DVD, SVCD, VCD burning and video recording