Shareware:
All shareware applications may be used up to 30 days without registering. After this period, you decide if you further want to use them or not. After buying a licence, you will receive your personal unlock key by e-mail.
Freeware:
all freeware applications are provided as is. No support is warranted and you use the software at your own risk.
Commercial:
Commercial software is usually custom built. You will receive the unlocked software after buying, by CD (snail mail) or via a individual download link,.