Ware!!!!!!!

Freeware

+ Free (always!)
+ Can copy and distribute it to anyone
+ but not for money

Examples - Apps for your phone, uTorrent, MSN Messenger, SKYPE, Windows MovieMaker, iTunes

Shareware

+ Limited Trial Period - free
+ after this you must pay for it or delete it

Examples - Photoshop, AVG Antivirus, any Adobe Programs

Commercial Ware

+ need to pay for the full use straight away

Examples - DoodleJump App (Full Version), Windows XP/Vista/98/7


Portability - if software works on different computer systems (with little or no change) then it is portable!