Юзай гугл же.
>>
http://www.krylarskreations.com/KNL_help/
>>K-NetLib is free for both commercial and non-commercial use.
Спрашивается, где ты нашел платную или триальную?
Вот старая информация:
>>
http://www.blitzbasic.com/Community/...hp?topic=51903
>>If you're just using the library for freeware apps, you don't need to license it. But if you want to have the flexibility to sell anything you make with K-NetLib, it's only US$29.95.