by PELock Software PELock - is an application that allows you to protect Windows executable files (so called exe-protector). Besides that, PELock allows easy creation of application of evaluation-demo type, which use license key system.
by CommuniCrypt Software Standalone eMail client with strongest asymmetric Public-Key-Encryption(RSAES-OAEP).This eMail client is fully featured for receiving/sending mails via POP3/SMTP. Integrated attachment/file encryption(RSA/AES) See website for full feature list
by CommuniCrypt Software RSA-encrypted high secured realtime communication like a messenger. The complete data transfer between both machines are highly encrypted through Public-Key-Encryption with RSA encryption algorithm (RSAES-OAEP).Key length up to 7120 bit.