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Version 5.00 - released Aug/22/2015 - $100 US
- TLS, WSS, CLI, Public/private keys and certificate management

Version 4.02 - released on June/16/2015. Release notes. - $60US
- WS


Version 3.46 - released on June/16/2015. Release notes. - $40US
- UDP, TCP

Version 2.40 - released on July/02/2013.
Unsupported version and It is no longer possible to buy a license for it.