Is the client open source? Don't want to install closed source programs on our systems.
Whatsapp may have brought end-to-end encryption to 1 billion people, but it helps 0 Slack users. ClearChat brings end-to-end encryption, privacy and security, to the workplace.
You're a co-founder of the company. It's considered tacky (at best) to post about your own company on HN without disclosing your connection.
I think it's fairly acceptable in this case because you didn't editorialize at all (saying "ClearChat is awesome" or anything like that), but I thought I'd give you a heads-up.