Unauthorized versions often contain malware or backdoors.
A common source of confusion for new users is the mixture of freeware and commercial classes within the same Chilkat library. The Chilkat .NET DLL, for example, contains a collection of both types of classes within the same binary. The free classes, such as those for XML processing, JSON handling, and file uploads, can be used without any licensing restrictions and do not require a call to UnlockBundle at all. chilkat license key top