Thanks for the feedback. Yes, usability is very important in some case-uses. Vault1317 is an open source implementation of secure communication protocol. We demonstrated it as a pidgin plugin named as lurch1317 which is easy to use for XMPP/pidgin users. It'd be very different to the company product. This is the product/solution white paper if you're interested:

https://hardenedvault.net/files/hardenedvault-whitepaper.pdf