Messengers                             
Browsers                                
Antivirus & Firewalls                 
Media Players                         
Compression Tools               
Imaging Tools                      
Document Viewers & Editors
File Sharing                        
Office Tools                             
Plugins                                 
Hacking & Sniffing Tools         
File Transfers                        
CD and DVD Tools               
Miscellaneous                       
Audio-Video Convertors