DESkey - Data Encryption Systems Ltd
Computers, Security, Products and Tools, Software Protection and License Control - Deskey. Software protection devices, copy protection, license management and encryption technology, anti piracy solutions.
https://www.deskey.co.uk/
SignetSure - Shareware for Digital Signatures
Computers, Security, Products and Tools, Software Protection and License Control - SignetSure. Digital Signature shareware for C/C++ and VBasic developers.
http://www.signetsure.com/signetsure.htm
SHERIFF - Flexible and secure software protection
Computers, Security, Products and Tools, Software Protection and License Control - Sheriff. Provides software developers with secure copy protection, solving the problems of software piracy without the need for royalty payments or dongles.
https://www.sheriff-software.com/
SoftwareKey
Computers, Security, Products and Tools, Software Protection and License Control - SoftwareKey. Suppliers of Protection Plus software licensing and Solo e-commerce technology.
https://www.softwarekey.com/